diff --git a/src/Core/Translator.php b/src/Core/Translator.php
index 0ff39ae1..55f4d1cf 100644
--- a/src/Core/Translator.php
+++ b/src/Core/Translator.php
@@ -1,12 +1,18 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
 
 namespace PhpAot\Core;
 
 abstract class Translator
 {
+    public string $mode = 'cli';
     protected int $indentLevel = 0;
     protected string $indentStr = "\t";
-    public string $mode = 'cli';
     protected string $lang;
 
     public function setMode($mode): void
diff --git a/src/Php/CompilerBase.php b/src/Php/CompilerBase.php
index d01d96ca..4e5f9bdc 100644
--- a/src/Php/CompilerBase.php
+++ b/src/Php/CompilerBase.php
@@ -219,7 +219,7 @@ class CompilerBase extends \PhpAot\Core\Translator
     {
         $this->rootPath = $rootPath;
         $this->parser = (new ParserFactory())->createForNewestSupportedVersion();
-        $this->printer = new PrettyPrinter\Standard;
+        $this->printer = new PrettyPrinter\Standard();
         $this->setBuildDir($rootPath . '/build');
         $climate = new CLImate();
         $this->climate = $climate;
@@ -452,6 +452,7 @@ class CompilerBase extends \PhpAot\Core\Translator
             case 'Expr_Yield':
             case 'Expr_YieldFrom':
                 $this->fatalError($expr, 'The `' . $type . '` is not supported');
+                // no break
             default:
                 abort($expr);
         }
@@ -622,7 +623,7 @@ class CompilerBase extends \PhpAot\Core\Translator
             }
         } else {
             if ($this->function) {
-                $prefix .= $this->function  . '_';
+                $prefix .= $this->function . '_';
             }
         }
         return $prefix . $name;
@@ -724,14 +725,13 @@ class CompilerBase extends \PhpAot\Core\Translator
         return 'php_get_method(' . $funcId . ', ' . $this->getLiteralString($method) . ', ' . $classId . ', ' . $this->getLiteralString($class) . ')';
     }
 
-    protected function parseTypeDecl(NodeAbstract|null $type): string
+    protected function parseTypeDecl(?NodeAbstract $type): string
     {
         // 联合类型暂时不支持，使用 var 类型代替
-        if ($type instanceof Node\UnionType or $type instanceof NullableType) {
+        if ($type instanceof UnionType or $type instanceof NullableType) {
             return self::TYPE_VAR;
-        } else {
-            return $type ? $this->getTypeFromZendType($this->parseIdentifier($type)) : self::TYPE_VOID;
         }
+        return $type ? $this->getTypeFromZendType($this->parseIdentifier($type)) : self::TYPE_VOID;
     }
 
     protected function parseFunctionDecl(Node\Stmt\Function_|Node\Stmt\ClassMethod $v): FunctionDef
@@ -1057,6 +1057,7 @@ class CompilerBase extends \PhpAot\Core\Translator
                     break;
                 case 'Stmt_Class':
                     $this->fatalError($v, 'Cannot declare class in function');
+                    // no break
                 default:
                     abort($v);
             }
@@ -1351,9 +1352,8 @@ class CompilerBase extends \PhpAot\Core\Translator
         if ($v->expr === null) {
             if ($this->functionDef->returnType === self::TYPE_VOID and !$this->inClosure) {
                 return 'return;';
-            } else {
-                return 'return ' . self::VALUE_NULL . ';';
             }
+            return 'return ' . self::VALUE_NULL . ';';
         }
         // 实际函数的返回值
         $type = $this->detectExprType($v->expr);
@@ -1391,7 +1391,7 @@ class CompilerBase extends \PhpAot\Core\Translator
         $this->localVars[$name] = $type;
     }
 
-    protected function addStaticVar(string $name, string $type):  void
+    protected function addStaticVar(string $name, string $type): void
     {
         $this->staticVars[$name] = $type;
         $this->addGlobalVar($this->getStaticVarName($name), $type);
@@ -1984,7 +1984,7 @@ class CompilerBase extends \PhpAot\Core\Translator
 
     protected function foundStrayCode(Node $node): never
     {
-        $this->fatalError($node, "All execution code must be within a function, found stray code");
+        $this->fatalError($node, 'All execution code must be within a function, found stray code');
     }
 
     protected function parseFuncCall(Node\Expr\FuncCall $expr, bool $silent = false): string
@@ -2044,7 +2044,7 @@ class CompilerBase extends \PhpAot\Core\Translator
                 throw new PlaceHolder();
             }
             if ($arg->name) {
-                foreach($functionDef->argInfoList as $k => $argInfo) {
+                foreach ($functionDef->argInfoList as $k => $argInfo) {
                     if ($argInfo->name === $arg->name->name) {
                         $args[$k] = $arg;
                         $hasNamedArg = true;
@@ -2070,9 +2070,8 @@ class CompilerBase extends \PhpAot\Core\Translator
                 }
                 $argList[] = '{' . implode(', ', $list_vargs) . '}';
                 break;
-            } else {
-                $argList[] = $this->getTypeConvertedArg($arg, $argInfo);
             }
+            $argList[] = $this->getTypeConvertedArg($arg, $argInfo);
         }
 
         return implode(', ', $argList);
@@ -3012,9 +3011,9 @@ class CompilerBase extends \PhpAot\Core\Translator
             if ($var->default) {
                 $initState = self::STATIC_VAR . $varName . '_initialized';
                 $initCode = $this->getIndent() . 'static bool ' . $initState . ' = false;';
-                $initCode .= $this->getIndent() . "if (!$initState) { \n";
+                $initCode .= $this->getIndent() . "if (!{$initState}) { \n";
                 $this->indentLevel++;
-                $initCode .= $this->getIndent() . "$initState = true;\n";
+                $initCode .= $this->getIndent() . "{$initState} = true;\n";
                 $initCode .= $this->getIndent() . $this->getStaticVarName($varName) . ' = ' . $this->parseIdentifier($var->default) . ';';
                 $this->indentLevel--;
                 $initCode .= $this->getIndent() . '}';
@@ -3116,8 +3115,6 @@ class CompilerBase extends \PhpAot\Core\Translator
 
     /**
      * 左值只能为变量、数组、对象属性、对象静态属性
-     * @param NodeAbstract $expr
-     * @return void
      */
     protected function checkLeftValue(NodeAbstract $expr): void
     {
@@ -3173,7 +3170,7 @@ class CompilerBase extends \PhpAot\Core\Translator
         return array_key_exists($name, $this->globalVars);
     }
 
-    protected function hasStaticVar(string $name):  bool
+    protected function hasStaticVar(string $name): bool
     {
         return array_key_exists($name, $this->staticVars);
     }
@@ -3353,8 +3350,9 @@ class CompilerBase extends \PhpAot\Core\Translator
             if ($this->isTypedObject($var)) {
                 $class = $this->getObjectType($var);
                 goto _do_call;
-            } elseif ($this->getVarType($var) == self::TYPE_OBJECT) {
-                $fn = 'php::concat({' . $var . '.getClassName()' . ', "::", ' . $this->identifierToStr($expr->name) . '})';
+            }
+            if ($this->getVarType($var) == self::TYPE_OBJECT) {
+                $fn = 'php::concat({' . $var . '.getClassName(), "::", ' . $this->identifierToStr($expr->name) . '})';
             } else {
                 $fn = 'php::concat({' . $this->identifierToStr($expr->class) . ', "::", ' . $this->identifierToStr($expr->name) . '})';
             }
@@ -3381,9 +3379,8 @@ class CompilerBase extends \PhpAot\Core\Translator
                     }
                     if ($args) {
                         return self::PREFIX . $nativeFunc . '(php::null_object, ' . $args . ')';
-                    } else {
-                        return self::PREFIX . $nativeFunc . '(php::null_object)';
                     }
+                    return self::PREFIX . $nativeFunc . '(php::null_object)';
                 }
             }
             $ce = $this->getClassEntryPtr($class);
@@ -3441,7 +3438,8 @@ class CompilerBase extends \PhpAot\Core\Translator
                     $propertyDef = $classDef->getProperty($property);
                     if ($propertyDef->isPublic()) {
                         return self::PREFIX . $this->getPropertyOffset($property, $classDef->name, $classDef->namespace);
-                    } elseif ($propertyDef->isProtected()) {
+                    }
+                    if ($propertyDef->isProtected()) {
                         if ($scope) {
                             return self::PREFIX . $this->getPropertyOffset($property, $classDef->name, $classDef->namespace);
                         }
@@ -3861,13 +3859,13 @@ class CompilerBase extends \PhpAot\Core\Translator
     {
         if ($this->functionDef->returnType === self::TYPE_VOID) {
             return '';
-        } elseif ($this->functionDef->returnType === self::TYPE_INT
+        }
+        if ($this->functionDef->returnType === self::TYPE_INT
             or $this->functionDef->returnType === self::TYPE_FLOAT
             or $this->functionDef->returnType === self::TYPE_BOOL) {
             return $this->getIndent() . 'return 0;';
-        } else {
-            return $this->getIndent() . 'return ' . self::VALUE_NULL . ';';
         }
+        return $this->getIndent() . 'return ' . self::VALUE_NULL . ';';
     }
 
     protected function genEmbeddedCode(NodeAbstract $stmt): string
diff --git a/src/Php/Exception/PlaceHolder.php b/src/Php/Exception/PlaceHolder.php
index 4b1b9327..d4aa2450 100644
--- a/src/Php/Exception/PlaceHolder.php
+++ b/src/Php/Exception/PlaceHolder.php
@@ -1,8 +1,13 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
 
 namespace PhpAot\Php\Exception;
 
 class PlaceHolder extends \RuntimeException
 {
-
-}
\ No newline at end of file
+}
diff --git a/src/Php/Generator/ClosureGenerator.php b/src/Php/Generator/ClosureGenerator.php
index d76e68c4..4a4da1ca 100644
--- a/src/Php/Generator/ClosureGenerator.php
+++ b/src/Php/Generator/ClosureGenerator.php
@@ -1,19 +1,19 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
 
 namespace PhpAot\Php\Generator;
 
-use PhpParser\Node\Expr\ArrowFunction;
 use PhpParser\NodeAbstract;
 
 trait ClosureGenerator
 {
     /**
-     * @param NodeAbstract $expr
-     * @param array $params
-     * @param callable $bodyGenCb
-     * @param array $uses
      * @param $useCurrentScope bool 直接使用当前作用域，C++ 函数将使用 & 捕获所有闭包变量
-     * @return string
      */
     protected function genClosure(NodeAbstract $expr, array $params, callable $bodyGenCb, array $uses = [], bool $useCurrentScope = false): string
     {
@@ -78,17 +78,16 @@ trait ClosureGenerator
                     $this->errorUndefinedVariable($useItem->var);
                 }
                 if ($useItem->byRef) {
-                    $useVars [] = $this->convertToRef($useItem->var);
+                    $useVars[] = $this->convertToRef($useItem->var);
                 } else {
-                    $useVars [] = $var;
+                    $useVars[] = $var;
                 }
             }
         }
 
         if ($this->methodDef) {
             return 'php::newClosure(' . $tmpVar . ', { ' . implode(', ', $useVars) . ' }, this_)';
-        } else {
-            return 'php::newClosure(' . $tmpVar . ', { ' . implode(', ', $useVars) . ' })';
         }
+        return 'php::newClosure(' . $tmpVar . ', { ' . implode(', ', $useVars) . ' })';
     }
 }
diff --git a/src/Php/Generator/PlaceHolderGenerator.php b/src/Php/Generator/PlaceHolderGenerator.php
index 422a0959..af609a13 100644
--- a/src/Php/Generator/PlaceHolderGenerator.php
+++ b/src/Php/Generator/PlaceHolderGenerator.php
@@ -1,10 +1,13 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
 
 namespace PhpAot\Php\Generator;
 
-use PhpParser\Node\Expr\StaticCall;
-use PhpParser\NodeAbstract;
-
 trait PlaceHolderGenerator
 {
     protected function genPlaceHolder(string $callable): string
diff --git a/src/Php/Generator/Utils.php b/src/Php/Generator/Utils.php
index 63acd3d4..bc510c2a 100644
--- a/src/Php/Generator/Utils.php
+++ b/src/Php/Generator/Utils.php
@@ -1,4 +1,10 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
 
 namespace PhpAot\Php\Generator;
 
diff --git a/src/Php/Preprocessor.php b/src/Php/Preprocessor.php
index 556d9fe8..b486ec03 100644
--- a/src/Php/Preprocessor.php
+++ b/src/Php/Preprocessor.php
@@ -108,6 +108,7 @@ class Preprocessor extends CompilerBase
                     break;
                 case 'Stmt_Expression':
                     $this->foundStrayCode($v);
+                    // no break
                 default:
                     $this->fatalError($v, 'Unsupported statement: ' . $type);
             }
@@ -148,6 +149,7 @@ class Preprocessor extends CompilerBase
                     break;
                 case 'Stmt_Expression':
                     $this->foundStrayCode($v2);
+                    // no break
                 default:
                     abort($v2);
             }
@@ -183,6 +185,7 @@ class Preprocessor extends CompilerBase
                     break;
                 case 'Stmt_Expression':
                     $this->foundStrayCode($v);
+                    // no break
                 default:
                     abort($v);
             }
diff --git a/src/Php/Reflection.php b/src/Php/Reflection.php
index 9bf6e3f2..ee8a29ec 100644
--- a/src/Php/Reflection.php
+++ b/src/Php/Reflection.php
@@ -8,23 +8,17 @@
 
 namespace PhpAot\Php;
 
-use ReflectionClass;
-use ReflectionException;
-use ReflectionFunction;
-use ReflectionParameter;
-use ReflectionUnionType;
-
 class Reflection
 {
     private static array $functions = [];
     private static array $classes = [];
 
-    public static function getFunction(string $fn): ?ReflectionFunction
+    public static function getFunction(string $fn): ?\ReflectionFunction
     {
         if (!isset(self::$functions[$fn])) {
             try {
-                $ref = new ReflectionFunction($fn);
-            } catch (ReflectionException $e) {
+                $ref = new \ReflectionFunction($fn);
+            } catch (\ReflectionException $e) {
                 return null;
             }
             self::$functions[$fn] = $ref;
@@ -33,12 +27,12 @@ class Reflection
         return self::$functions[$fn];
     }
 
-    public static function getClass(string $className): ?ReflectionClass
+    public static function getClass(string $className): ?\ReflectionClass
     {
         if (!isset(self::$classes[$className])) {
             try {
-                $ref = new ReflectionClass($className);
-            } catch (ReflectionException $e) {
+                $ref = new \ReflectionClass($className);
+            } catch (\ReflectionException $e) {
                 return null;
             }
             self::$classes[$className] = $ref;
@@ -57,14 +51,14 @@ class Reflection
         if (!$returnType) {
             return null;
         }
-        if ($returnType instanceof ReflectionUnionType) {
+        if ($returnType instanceof \ReflectionUnionType) {
             return null;
         }
 
         return $returnType->getName();
     }
 
-    public static function getFunctionParameter(string $fn, int $index): ?ReflectionParameter
+    public static function getFunctionParameter(string $fn, int $index): ?\ReflectionParameter
     {
         $func = self::getFunction($fn);
         if (!$func) {
@@ -78,7 +72,7 @@ class Reflection
         return $args[$index];
     }
 
-    public static function getClassMethodParameter(string $className, string $fn, int $index): ?ReflectionParameter
+    public static function getClassMethodParameter(string $className, string $fn, int $index): ?\ReflectionParameter
     {
         $classRef = self::getClass($className);
         if (!$classRef) {
@@ -87,7 +81,7 @@ class Reflection
 
         try {
             $method = $classRef->getMethod($fn);
-        } catch (ReflectionException $e) {
+        } catch (\ReflectionException $e) {
             return null;
         }
 
diff --git a/src/Php/Translator.php b/src/Php/Translator.php
index 1acedf43..b74d3f77 100644
--- a/src/Php/Translator.php
+++ b/src/Php/Translator.php
@@ -334,9 +334,8 @@ class Translator extends Preprocessor
 
     public function getArgInfoStubFilename(string $stubFile): string
     {
-        $rs = str_replace([".stub.php", '.php'], "", $stubFile);
-        $rs = str_replace('-', '_', $rs);
-        return $rs;
+        $rs = str_replace(['.stub.php', '.php'], '', $stubFile);
+        return str_replace('-', '_', $rs);
     }
 
     public function getArgInfoHeaderFile(string $stubFilenameWithoutExtension, bool $relative = false): string
diff --git a/src/Python/Translator.php b/src/Python/Translator.php
index db1af2c9..65562b41 100644
--- a/src/Python/Translator.php
+++ b/src/Python/Translator.php
@@ -1,13 +1,19 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
 
 namespace PhpAot\Python;
 
 class Translator extends \PhpAot\Core\Translator
 {
+    protected string $lang = 'Python';
     private array $keywords = ['abs', 'aiter', 'all', 'anext', 'any', 'ascii', 'bin', 'bool', 'breakpoint', 'bytearray', 'bytes', 'callable', 'chr', 'classmethod', 'compile', 'complex', 'copyright', 'credits', 'delattr', 'dict', 'dir', 'divmod', 'enumerate', 'eval', 'exec', 'exit', 'filter', 'float', 'format', 'frozenset', 'getattr', 'globals', 'hasattr', 'hash', 'help', 'hex', 'id', 'input', 'int', 'isinstance', 'issubclass', 'iter', 'len', 'license', 'list', 'locals', 'map', 'max', 'memoryview', 'min', 'next', 'object', 'oct', 'open', 'ord', 'pow', 'print', 'property', 'quit', 'range', 'repr', 'reversed', 'round', 'set', 'setattr', 'slice', 'sorted', 'staticmethod', 'str', 'sum', 'super', 'tuple', 'type', 'vars', 'zip'];
     private array $keywordsMap = [];
     private array $definedFunctions = [];
-    protected string $lang = 'Python';
     private array $builtinTypes = [
         'ArithmeticError',
         'AssertionError',
@@ -39,7 +45,7 @@ class Translator extends \PhpAot\Core\Translator
         'StopAsyncIteration', 'StopIteration', 'SyntaxError', 'SyntaxWarning',
         'SystemError', 'SystemExit', 'TabError', 'TimeoutError', 'True', 'TypeError',
         'UnboundLocalError', 'UnicodeDecodeError', 'UnicodeEncodeError',
-        'UnicodeError', 'UnicodeTranslateError', 'UnicodeWarning', 'UserWarning', 'ValueError', 'Warning', 'ZeroDivisionError'
+        'UnicodeError', 'UnicodeTranslateError', 'UnicodeWarning', 'UserWarning', 'ValueError', 'Warning', 'ZeroDivisionError',
     ];
 
     public function __construct()
@@ -95,14 +101,15 @@ class Translator extends \PhpAot\Core\Translator
                 $id = $fn->id;
                 if (isset($this->keywordsMap[$id])) {
                     return 'PyCore::' . $id;
-                } elseif (isset($this->definedFunctions[$id])) {
+                }
+                if (isset($this->definedFunctions[$id])) {
                     return $id;
-                } elseif (isset($this->builtinTypes[$id])) {
+                }
+                if (isset($this->builtinTypes[$id])) {
                     return '$builtins->' . $id;
-                } else {
-                    return '$' . $id;
                 }
-                // no break
+                return '$' . $id;
+
             case 'Attribute':
                 return $this->parseAttribute($fn->value) . '->' . $fn->attr;
             default:
@@ -129,41 +136,45 @@ class Translator extends \PhpAot\Core\Translator
         }
 
         if (empty($args_list)) {
-            return "$fn()";
-        } else {
-            return "$fn(" . implode(', ', $args_list) . ")";
+            return "{$fn}()";
         }
+        return "{$fn}(" . implode(', ', $args_list) . ')';
     }
 
     public static function valueToRepr($v, $python = false)
     {
         if (is_string($v)) {
             $v = str_replace(
-                ["\\", "\n", "\r", "\t", "\v", "\x00", "\""],
-                ["\\\\", "\\n", "\\r", "\\t", "\\v", "\\x00", "\\\""],
+                ['\\', "\n", "\r", "\t", "\v", "\x00", '"'],
+                ['\\\\', '\\n', '\\r', '\\t', '\\v', '\\x00', '\\"'],
                 $v
             );
-            return "\"$v\"";
-        } elseif ($v === []) {
+            return "\"{$v}\"";
+        }
+        if ($v === []) {
             return '[]';
-        } elseif (is_numeric($v)) {
+        }
+        if (is_numeric($v)) {
             if ($python) {
                 if (is_infinite($v)) {
                     return "float('inf')";
-                } elseif (is_nan($v)) {
+                }
+                if (is_nan($v)) {
                     return "float('nan')";
                 }
             }
             return strval($v);
-        } elseif (is_bool($v)) {
+        }
+        if (is_bool($v)) {
             return $python ? ($v ? 'True' : 'False') : ($v ? 'true' : 'false');
-        } elseif (is_null($v)) {
+        }
+        if (is_null($v)) {
             return $python ? 'None' : 'null';
-        } elseif (is_array($v)) {
+        }
+        if (is_array($v)) {
             return var_export($v, true);
-        } else {
-            return $python ? 'None' : 'null';
         }
+        return $python ? 'None' : 'null';
     }
 
     public function parseConstant($value): string
@@ -249,16 +260,17 @@ class Translator extends \PhpAot\Core\Translator
     {
         if ($slice->_type == 'Constant') {
             return $this->parseConstant($slice);
-        } elseif ($slice->_type === 'Tuple') {
+        }
+        if ($slice->_type === 'Tuple') {
             return $this->parseTuple($slice);
-        } elseif ($slice->_type === 'Slice') {
+        }
+        if ($slice->_type === 'Slice') {
             $_args[] = $slice->lower ? $this->parseTarget($slice->lower) : 'null';
             $_args[] = $slice->upper ? $this->parseTarget($slice->upper) : 'null';
             $_args[] = $slice->step ? $this->parseTarget($slice->step) : 'null';
             return 'PyCore::slice(' . implode(', ', $_args) . ')';
-        } else {
-            abort($slice);
         }
+        abort($slice);
     }
 
     public function parseImportFrom($node): string
@@ -268,7 +280,7 @@ class Translator extends \PhpAot\Core\Translator
         foreach ($node->names as $name) {
             $type = $name->name;
             $as = empty($name->asname) ? $type : $name->asname;
-            $imports[] = "\$$as = PyCore::import('$module')->$type";
+            $imports[] = "\${$as} = PyCore::import('{$module}')->{$type}";
         }
 
         return implode(';' . PHP_EOL, $imports);
@@ -280,7 +292,7 @@ class Translator extends \PhpAot\Core\Translator
         foreach ($node->names as $name) {
             $module = $name->name;
             $as = empty($name->asname) ? $module : $name->asname;
-            $out .= $this->getIndent() . "\$$as = PyCore::import('$module');\n";
+            $out .= $this->getIndent() . "\${$as} = PyCore::import('{$module}');\n";
         }
         return $out;
     }
@@ -348,10 +360,9 @@ class Translator extends \PhpAot\Core\Translator
             case 'Expr':
                 if (is_string($node->value->value)) {
                     return '/** ' . $node->value->value . ' */' . PHP_EOL;
-                } else {
-                    return $this->parseValue($node->value) . ';';
                 }
-                // no break
+                return $this->parseValue($node->value) . ';';
+
             default:
                 return $this->parseValue($node->value) . ';';
         }
@@ -468,15 +479,14 @@ class Translator extends \PhpAot\Core\Translator
             $op = $node->ctx->_type;
             $value = $this->parseValue($node->value);
             if ($node->ctx->_type == 'Store') {
-                return  $value. '[' . $this->parseSlice($node->slice) . '] = $__value';
-            } elseif ($op == 'Del') {
+                return $value . '[' . $this->parseSlice($node->slice) . '] = $__value';
+            }
+            if ($op == 'Del') {
                 return 'unset(' . $value . '[' . $this->parseSlice($node->slice) . '])';
-            } else {
-                return $value . '[' . $this->parseSlice($node->slice) . ']';
             }
-        } else {
-            abort($node);
+            return $value . '[' . $this->parseSlice($node->slice) . ']';
         }
+        abort($node);
     }
 
     public function parseFor($node)
@@ -502,13 +512,36 @@ class Translator extends \PhpAot\Core\Translator
         $fn = PHP_EOL . $this->getIndent() . 'function ' . $name . '(' . $args . ') {' . PHP_EOL;
         $this->indentLevel++;
         $fn .= $this->parseBody($node->body) . PHP_EOL;
-        ;
+
         $this->indentLevel--;
         $fn .= $this->getIndent() . '}' . PHP_EOL . PHP_EOL;
 
         return $fn;
     }
 
+    public function parseBody($tree): string
+    {
+        $lines = [];
+        foreach ($tree as $node) {
+            $this->parseLine($node, $lines);
+        }
+        foreach ($lines as &$line) {
+            $line = $this->getIndent() . $line;
+        }
+        return implode(PHP_EOL, $lines);
+    }
+
+    public function convert($tree): void
+    {
+        $this->prepare($tree);
+        $output = '<?php' . PHP_EOL;
+        $output .= '$operator = PyCore::import("operator");' . PHP_EOL;
+        $output .= '$builtins = PyCore::import("builtins");' . PHP_EOL;
+        $output .= $this->parseBody($tree->body);
+        echo $output;
+        echo PHP_EOL;
+    }
+
     private function addLine($line, array &$lines)
     {
         if ($this->mode == 'cli' && STEP) {
@@ -528,9 +561,9 @@ class Translator extends \PhpAot\Core\Translator
                 $value = $this->parseValue($node->value);
                 if ($node->targets[0]->_type == 'Subscript') {
                     $this->addLine('$__value = ' . $value . ';', $lines);
-                    $line = "$target;";
+                    $line = "{$target};";
                 } else {
-                    $line = "$target = $value;";
+                    $line = "{$target} = {$value};";
                 }
                 break;
             case 'AugAssign':
@@ -610,29 +643,6 @@ class Translator extends \PhpAot\Core\Translator
         $this->addLine($line, $lines);
     }
 
-    public function parseBody($tree): string
-    {
-        $lines = [];
-        foreach ($tree as $node) {
-            $this->parseLine($node, $lines);
-        }
-        foreach ($lines as &$line) {
-            $line = $this->getIndent() . $line;
-        }
-        return implode(PHP_EOL, $lines);
-    }
-
-    public function convert($tree): void
-    {
-        $this->prepare($tree);
-        $output = '<?php' . PHP_EOL;
-        $output .= '$operator = PyCore::import("operator");' . PHP_EOL;
-        $output .= '$builtins = PyCore::import("builtins");' . PHP_EOL;
-        $output .= $this->parseBody($tree->body);
-        echo $output;
-        echo PHP_EOL;
-    }
-
     private function parseGenerators($generators, $recipient, &$captures)
     {
         $captures = [];
@@ -686,9 +696,8 @@ class Translator extends \PhpAot\Core\Translator
         $op_str = $this->parseOp($op);
         if ($op_str) {
             return $left . ' ' . $op_str . '= ' . $right . ';';
-        } else {
-            return $left . ' = $operator->' . strtolower($op) . '(' . $left . ' , ' . $right . ');';
         }
+        return $left . ' = $operator->' . strtolower($op) . '(' . $left . ' , ' . $right . ');';
     }
 
     private function parseBinOp($value)
@@ -699,9 +708,8 @@ class Translator extends \PhpAot\Core\Translator
         $op_str = $this->parseOp($op);
         if ($op_str) {
             return $left . ' ' . $op_str . ' ' . $right;
-        } else {
-            return '$operator->' . strtolower($op) . '(' . $left . ' , ' . $right . ')';
         }
+        return '$operator->' . strtolower($op) . '(' . $left . ' , ' . $right . ')';
     }
 
     private function parseJoinedStr($value)
@@ -738,7 +746,7 @@ class Translator extends \PhpAot\Core\Translator
             $call = $this->parseCall($call);
             $target = empty($target) ? '$__' : $this->parseTarget($target);
             $code .= $target . '__object = ' . $call . ';' . PHP_EOL;
-            ;
+
             $code .= $target . ' = ' . $target . '__object->__enter__();' . PHP_EOL;
             $this->indentLevel++;
             $finally_code .= $this->getIndent() . $target . '__object->__exit__(null, null, null);' . PHP_EOL;
@@ -782,7 +790,6 @@ class Translator extends \PhpAot\Core\Translator
         return 'new PyDict(' . $code . '])';
     }
 
-
     private function parseBoolOp($value)
     {
         switch ($value->op->_type) {
@@ -948,11 +955,11 @@ class Translator extends \PhpAot\Core\Translator
             $format = $value->format_spec->values[0]->value;
             if ($format[0] == '.' and $format[-1] == 'f') {
                 return 'round(' . $expr . ', ' . substr($format, 1, strlen($format) - 2) . ')';
-            } elseif (str_contains($format, '%')) {
+            }
+            if (str_contains($format, '%')) {
                 return $expr . '->strftime("' . $format . '")';
-            } else {
-                throw new \RuntimeException("Unsupported format: $format");
             }
+            throw new \RuntimeException("Unsupported format: {$format}");
         } else {
             return $expr;
         }
diff --git a/src/config/compiler_options.php b/src/config/compiler_options.php
index 2518d1fa..19a9106d 100644
--- a/src/config/compiler_options.php
+++ b/src/config/compiler_options.php
@@ -1,4 +1,11 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
+
 return [
     'optimize' => [
         'prefix'      => 'O',
@@ -56,4 +63,4 @@ return [
         'description' => 'Enable debug info',
         'required' => false,
     ],
-];
\ No newline at end of file
+];
diff --git a/src/functions.php b/src/functions.php
index 7d2f371d..518db764 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -1,11 +1,17 @@
 <?php
+/**
+ * This file is part of Swoole-Compiler(AOT).
+ *
+ * @link     https://www.swoole.com/
+ * @contact  service@swoole.com
+ */
 
 use PhpAot\Core\Translator;
 use PhpAot\Php\Exception\Unsupported;
 
 function abort($v)
 {
-    /**
+    /*
      * @var $translator Translator
      */
     global $translator;
@@ -38,12 +44,11 @@ function if_not_empty_debug($if_expr, $v)
     }
 }
 
-
 function debug()
 {
-    foreach(func_get_args() as $arg) {
+    foreach (func_get_args() as $arg) {
         var_dump($arg);
     }
     debug_print_backtrace();
     exit;
-}
\ No newline at end of file
+}
diff --git a/src/template/extension.cc.php b/src/template/extension.cc.php
index 76d6e897..0cc24e5d 100644
--- a/src/template/extension.cc.php
+++ b/src/template/extension.cc.php
@@ -1,115 +1,116 @@
 <?php
 /**
- * @var $this Translator
+ * @var Translator $this
  */
 use PhpAot\Php\Translator;
+
 echo $this->genIncludeHeaderFiles();
 ?>
 
 // global vars
 <?php
 // 全局变量只能是 var 类型
-foreach ($this->globalVars as $name => $type):
-?>
-<?= Translator::TYPE_VAR ?>  <?= $name ?>;
-<?php endforeach; ?>
+foreach ($this->globalVars as $name => $type) {
+    ?>
+<?php echo Translator::TYPE_VAR; ?>  <?php echo $name; ?>;
+<?php } ?>
 
 // class register functions
 <?php
-foreach ($this->classCeList as $ce):
-?>
-zend_class_entry * <?= $ce ?>;
-<?php endforeach; ?>
+foreach ($this->classCeList as $ce) {
+    ?>
+zend_class_entry * <?php echo $ce; ?>;
+<?php } ?>
 
 // class entry
-zend_class_entry *<?= Translator::PREFIX . Translator::CLASS_MAP . '[' . count($this->classMap) . ']' ?>;
+zend_class_entry *<?php echo Translator::PREFIX . Translator::CLASS_MAP . '[' . count($this->classMap) . ']'; ?>;
 
 // func
-zend_function *<?= Translator::PREFIX . Translator::FUNC_MAP . '[' . count($this->funcMap) . ']' ?>;
+zend_function *<?php echo Translator::PREFIX . Translator::FUNC_MAP . '[' . count($this->funcMap) . ']'; ?>;
 
 zend_class_entry *php_get_class(int class_id, const php::String &class_name) {
-    if (UNEXPECTED(<?= Translator::PREFIX . Translator::CLASS_MAP ?>[class_id] == nullptr)) {
-        <?= Translator::PREFIX . Translator::CLASS_MAP ?>[class_id] = php::getClassEntrySafe(class_name);
+    if (UNEXPECTED(<?php echo Translator::PREFIX . Translator::CLASS_MAP; ?>[class_id] == nullptr)) {
+        <?php echo Translator::PREFIX . Translator::CLASS_MAP; ?>[class_id] = php::getClassEntrySafe(class_name);
     }
-    return <?= Translator::PREFIX . Translator::CLASS_MAP ?>[class_id];
+    return <?php echo Translator::PREFIX . Translator::CLASS_MAP; ?>[class_id];
 }
 
 zend_function *php_get_func(int func_id, const php::String &func_name) {
-    if (UNEXPECTED(<?= Translator::PREFIX . Translator::FUNC_MAP ?>[func_id] == nullptr)) {
-        <?= Translator::PREFIX . Translator::FUNC_MAP ?>[func_id] = php::getFunction(func_name);
+    if (UNEXPECTED(<?php echo Translator::PREFIX . Translator::FUNC_MAP; ?>[func_id] == nullptr)) {
+        <?php echo Translator::PREFIX . Translator::FUNC_MAP; ?>[func_id] = php::getFunction(func_name);
     }
-    return <?= Translator::PREFIX . Translator::FUNC_MAP ?>[func_id];
+    return <?php echo Translator::PREFIX . Translator::FUNC_MAP; ?>[func_id];
 }
 
 zend_function *php_get_method(int func_id, const php::Str &method_name, int class_id, const php::Str &class_name) {
-    if (UNEXPECTED(<?= Translator::PREFIX . Translator::FUNC_MAP ?>[func_id] == nullptr)) {
+    if (UNEXPECTED(<?php echo Translator::PREFIX . Translator::FUNC_MAP; ?>[func_id] == nullptr)) {
         auto ce = php_get_class(class_id, class_name);
-        <?= Translator::PREFIX . Translator::FUNC_MAP ?>[func_id] = php::getMethod(ce, method_name);
+        <?php echo Translator::PREFIX . Translator::FUNC_MAP; ?>[func_id] = php::getMethod(ce, method_name);
     }
-    return <?= Translator::PREFIX . Translator::FUNC_MAP ?>[func_id];
+    return <?php echo Translator::PREFIX . Translator::FUNC_MAP; ?>[func_id];
 }
 
 // literal strings
-php::Str <?=Translator::LITERAL_STRINGS?>[] = {
+php::Str <?php echo Translator::LITERAL_STRINGS; ?>[] = {
 <?php
-foreach ($this->literalStrings as $str => $index):
-?>
-    php::String{ZEND_STRL("<?=$this->escapeString($str)?>"), true},
-<?php endforeach; ?>
+foreach ($this->literalStrings as $str => $index) {
+    ?>
+    php::String{ZEND_STRL("<?php echo $this->escapeString($str); ?>"), true},
+<?php } ?>
 };
 
 // constants
 <?php
-foreach ($this->nativeConstants as $name => $const):
-?>
-<?=$const->type?> <?=$name?>;
-<?php endforeach; ?>
+foreach ($this->nativeConstants as $name => $const) {
+    ?>
+<?php echo $const->type; ?> <?php echo $name; ?>;
+<?php } ?>
 
 // property offset
 <?php
-foreach ($this->classes as $classDef):
-    foreach ($classDef->properties as $propertyDef):
-?>
-uint32_t <?=Translator::PREFIX . $this->getPropertyOffset($propertyDef->name, $classDef->name, $classDef->namespace)?>;
+foreach ($this->classes as $classDef) {
+    foreach ($classDef->properties as $propertyDef) {
+        ?>
+uint32_t <?php echo Translator::PREFIX . $this->getPropertyOffset($propertyDef->name, $classDef->name, $classDef->namespace); ?>;
 <?php
-    endforeach;
-endforeach;
+    }
+}
 ?>
 
 // clang-format off
 static const zend_function_entry ext_functions[] = {
 <?php
-foreach ($this->functions as $functionDef):
+foreach ($this->functions as $functionDef) {
     if ($this->buildMode === 'ext' and $functionDef->name === 'main') {
         continue;
     }
     $zif_name = $this->escapeZendFnName($functionDef->getNamespacedName());
-?>
-<?php if ($functionDef->namespace): ?>
-    ZEND_NAMED_FE("<?=$this->escapeString($functionDef->getNamespacedName())?>", ZEND_FN(<?= $zif_name ?>), arginfo_<?=$zif_name?>)
-<?php else: ?>
-    ZEND_FE(<?=$zif_name?>, arginfo_<?=$zif_name?>)
-<?php endif; ?>
-<?php endforeach;?>
+    ?>
+<?php if ($functionDef->namespace) { ?>
+    ZEND_NAMED_FE("<?php echo $this->escapeString($functionDef->getNamespacedName()); ?>", ZEND_FN(<?php echo $zif_name; ?>), arginfo_<?php echo $zif_name; ?>)
+<?php } else { ?>
+    ZEND_FE(<?php echo $zif_name; ?>, arginfo_<?php echo $zif_name; ?>)
+<?php } ?>
+<?php }?>
     ZEND_FE_END
 };
 // clang-format on
 
-PHP_MINIT_FUNCTION(<?=$this->getModuleName()?>) {
+PHP_MINIT_FUNCTION(<?php echo $this->getModuleName(); ?>) {
 // class/interface class entries
 <?php
-foreach ($this->classCeList as $ce):
+foreach ($this->classCeList as $ce) {
     $info = $this->classCeInfo[$ce] ?? $this->getInternalCeInfo($ce);
-?>
-    <?=$ce?> = <?= $info['func'] ?>(<?= $info['args'] ?>);
-<?php endforeach; ?>
+    ?>
+    <?php echo $ce; ?> = <?php echo $info['func']; ?>(<?php echo $info['args']; ?>);
+<?php } ?>
 
 // register symbols
 <?php
-foreach ($this->registerSymbols as $registerSymbolFn):
-?>
-    <?= $registerSymbolFn ?>(module_number);
-<?php endforeach; ?>
+foreach ($this->registerSymbols as $registerSymbolFn) {
+    ?>
+    <?php echo $registerSymbolFn; ?>(module_number);
+<?php } ?>
 
     return SUCCESS;
 }
@@ -117,86 +118,86 @@ foreach ($this->registerSymbols as $registerSymbolFn):
 void php_app_init() {
     // register constants
 <?php
-foreach ($this->nativeConstants as $name => $const):
-?>
-    <?=$name?> = <?= $const->value ?>;
-    php::define("<?=$this->escapeString($const->name)?>", <?= $name ?>);
-<?php endforeach; ?>
+foreach ($this->nativeConstants as $name => $const) {
+    ?>
+    <?php echo $name; ?> = <?php echo $const->value; ?>;
+    php::define("<?php echo $this->escapeString($const->name); ?>", <?php echo $name; ?>);
+<?php } ?>
 
     // global vars
 <?php
-foreach ($this->globalVars as $name => $type):
-?>
-    php::initGlobal("<?=$name?>", <?= $name ?>);
-<?php endforeach; ?>
+foreach ($this->globalVars as $name => $type) {
+    ?>
+    php::initGlobal("<?php echo $name; ?>", <?php echo $name; ?>);
+<?php } ?>
 
     // property offset
 <?php
-foreach ($this->classes as $classDef):
-    foreach ($classDef->properties as $propertyDef):
+foreach ($this->classes as $classDef) {
+    foreach ($classDef->properties as $propertyDef) {
         ?>
-    <?=Translator::PREFIX . $this->getPropertyOffset($propertyDef->name, $classDef->name, $classDef->namespace)?> = php::getPropertyOffset("<?=$classDef->getNamespacedName(false)?>", "<?=$propertyDef->name?>");
+    <?php echo Translator::PREFIX . $this->getPropertyOffset($propertyDef->name, $classDef->name, $classDef->namespace); ?> = php::getPropertyOffset("<?php echo $classDef->getNamespacedName(false); ?>", "<?php echo $propertyDef->name; ?>");
     <?php
-    endforeach;
-endforeach;
+    }
+}
 ?>
 }
 
 void php_app_clean() {
 <?php
-foreach ($this->globalVars as $name => $type) :
-?>
-    <?= $name ?>.unset();
-    php::unsetGlobal("<?=$name?>");
-<?php endforeach; ?>
+foreach ($this->globalVars as $name => $type) {
+    ?>
+    <?php echo $name; ?>.unset();
+    php::unsetGlobal("<?php echo $name; ?>");
+<?php } ?>
 <?php
-foreach ($this->nativeConstants as $name => $const):
+foreach ($this->nativeConstants as $name => $const) {
     if ($const->type !== Translator::TYPE_VAR) {
         continue;
     }
-?>
-    <?= $name ?>.unset();
-<?php endforeach; ?>
+    ?>
+    <?php echo $name; ?>.unset();
+<?php } ?>
 }
 
-PHP_RINIT_FUNCTION(<?=$this->getModuleName()?>) {
+PHP_RINIT_FUNCTION(<?php echo $this->getModuleName(); ?>) {
     php::request_init();
     php_app_init();
 
-<?php if ($this->buildMode === 'bin'): ?>
-<?php if (count($this->functions['main']->argInfoList) == 2): ?>
+<?php if ($this->buildMode === 'bin') { ?>
+<?php if (count($this->functions['main']->argInfoList) == 2) { ?>
     php::eval("global $argc, $argv; main($argc, $argv);");
-<?php else:?>
+<?php } else { ?>
     php::eval("main();");
-<?php endif; ?>
-<?php endif; ?>
+<?php } ?>
+<?php } ?>
 
     return SUCCESS;
 }
 
-PHP_RSHUTDOWN_FUNCTION(<?=$this->getModuleName()?>) {
+PHP_RSHUTDOWN_FUNCTION(<?php echo $this->getModuleName(); ?>) {
     php_app_clean();
     php::request_shutdown();
     return SUCCESS;
 }
 
-zend_module_entry <?=$this->getModuleName()?>_module_entry = {
+zend_module_entry <?php echo $this->getModuleName(); ?>_module_entry = {
     STANDARD_MODULE_HEADER,
-    "<?=$this->getModuleName()?>",
+    "<?php echo $this->getModuleName(); ?>",
     ext_functions,
-    PHP_MINIT(<?=$this->getModuleName()?>),
+    PHP_MINIT(<?php echo $this->getModuleName(); ?>),
     nullptr,
-    PHP_RINIT(<?=$this->getModuleName()?>),
-    PHP_RSHUTDOWN(<?=$this->getModuleName()?>),
+    PHP_RINIT(<?php echo $this->getModuleName(); ?>),
+    PHP_RSHUTDOWN(<?php echo $this->getModuleName(); ?>),
     nullptr,
     nullptr,
     STANDARD_MODULE_PROPERTIES,
 };
 
-<?php if ($this->buildMode === 'ext'): ?>
-ZEND_GET_MODULE(<?=$this->getModuleName()?>);
-<?php else: ?>
-zend_module_entry *<?= Translator::PREFIX . 'embed_' ?>get_module() {
-    return &<?= $this->getModuleName() ?>_module_entry;
+<?php if ($this->buildMode === 'ext') { ?>
+ZEND_GET_MODULE(<?php echo $this->getModuleName(); ?>);
+<?php } else { ?>
+zend_module_entry *<?php echo Translator::PREFIX . 'embed_'; ?>get_module() {
+    return &<?php echo $this->getModuleName(); ?>_module_entry;
 }
-<?php endif; ?>
\ No newline at end of file
+<?php } ?>
\ No newline at end of file