diff --git a/examples/hello.php b/examples/hello.php
index 195ce547..4e117cee 100644
--- a/examples/hello.php
+++ b/examples/hello.php
@@ -1,14 +1,12 @@
 <?php
 
-function main(): int
+function main(): void
 {
-    global $a;
-    $a = 100;
+    echo "Hello World!";
+    var_dump(PHP_VERSION);
+    var_dump(php_uname());
+    var_dump($_ENV);
 
-    var_dump($GLOBALS['a']);
-    var_dump($a);
-    var_dump(gettype($_SERVER));
-    var_dump($_SERVER['argc']);
-    var_dump($_SERVER['argv']);
-    return 0;
+    global $argv;
+    var_dump($argv);
 }
diff --git a/package.sh b/package.sh
new file mode 100755
index 00000000..8fa8de00
--- /dev/null
+++ b/package.sh
@@ -0,0 +1,89 @@
+#!/bin/bash
+
+# 打包脚本：创建包含指定文件的 zip 压缩包（先对二进制文件进行 UPX 压缩）
+
+OUTPUT_FILE="swoole_compiler_package.zip"
+BINARY_FILE="swoole_compiler"
+BACKUP_FILE="${BINARY_FILE}.backup"
+
+# 检查必要文件是否存在
+REQUIRED_FILES=(
+    "$BINARY_FILE"
+    "composer.json"
+    "composer.lock"
+    "README.md"
+    "LICENSE.md"
+    "examples/hello.php"
+)
+
+echo "检查文件..."
+for file in "${REQUIRED_FILES[@]}"; do
+    if [ ! -e "$file" ]; then
+        echo "错误: 文件不存在 - $file"
+        exit 1
+    fi
+done
+
+echo "所有文件检查通过"
+
+# 检查 upx 是否安装
+if ! command -v upx &> /dev/null; then
+    echo "错误: 未找到 upx 命令，请先安装 upx"
+    echo "Ubuntu/Debian: sudo apt-get install upx-ucl"
+    echo "CentOS/RHEL: sudo yum install upx"
+    exit 1
+fi
+
+echo "检测到 upx: $(upx --version | head -n 1)"
+
+# 备份原始二进制文件
+echo "备份原始二进制文件..."
+cp "$BINARY_FILE" "$BACKUP_FILE"
+
+# 使用 UPX 压缩二进制文件
+echo "使用 UPX 压缩 $BINARY_FILE ..."
+upx --best "$BINARY_FILE"
+
+if [ $? -ne 0 ]; then
+    echo "✗ UPX 压缩失败！"
+    # 恢复原始文件
+    mv "$BACKUP_FILE" "$BINARY_FILE"
+    exit 1
+fi
+
+echo "✓ UPX 压缩完成"
+echo "  原始大小: $(du -h "$BACKUP_FILE" | cut -f1)"
+echo "  压缩后: $(du -h "$BINARY_FILE" | cut -f1)"
+echo "  压缩率: $(echo "scale=2; (1 - $(stat -c%s "$BINARY_FILE") / $(stat -c%s "$BACKUP_FILE")) * 100" | bc)%"
+
+# 删除旧的压缩包（如果存在）
+if [ -f "$OUTPUT_FILE" ]; then
+    rm "$OUTPUT_FILE"
+    echo "已删除旧的压缩包"
+fi
+
+# 创建 zip 压缩包
+echo "创建压缩包: $OUTPUT_FILE"
+zip "$OUTPUT_FILE" \
+    swoole_compiler \
+    composer.json \
+    composer.lock \
+    README.md \
+    LICENSE.md \
+    examples/hello.php
+
+PACK_RESULT=$?
+
+# 恢复原始二进制文件
+echo "恢复原始二进制文件..."
+mv "$BACKUP_FILE" "$BINARY_FILE"
+
+if [ $PACK_RESULT -eq 0 ]; then
+    echo "✓ 打包成功！"
+    echo "压缩包大小: $(du -h "$OUTPUT_FILE" | cut -f1)"
+    echo "包含文件:"
+    unzip -l "$OUTPUT_FILE" | grep -E "\.php$|compiler$|\.json$|\.md$"
+else
+    echo "✗ 打包失败！"
+    exit 1
+fi
diff --git a/src/Php/CompilerBase.php b/src/Php/CompilerBase.php
index 1092a3dc..8437e1d1 100644
--- a/src/Php/CompilerBase.php
+++ b/src/Php/CompilerBase.php
@@ -236,6 +236,7 @@ class CompilerBase extends \PhpAot\Core\Translator
         '_FILES'   => self::TYPE_ARRAY,
         '_SESSION' => self::TYPE_ARRAY,
         '_REQUEST' => self::TYPE_ARRAY,
+        '_ENV'     => self::TYPE_ARRAY,
     ];
     protected array $globalVars = [];
     protected bool $strictTypes = false;