diff --git a/package.json b/package.json
index 7c4d343..3e32c71 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@apigo.cc/loader",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "type": "module",
   "main": "dist/loader.js",
   "module": "dist/loader.js",
diff --git a/src/index.js b/src/index.js
index 9cdb695..9e18237 100644
--- a/src/index.js
+++ b/src/index.js
@@ -17,65 +17,72 @@ const DEFAULT_VERSIONS = {
 
 const Loader = {
     load: (...pkgs) => {
-        if (typeof document === 'undefined') return;
+        try {
+            if (typeof document === 'undefined') return;
 
-        const currentScript = document.currentScript;
-        const currentUrl = currentScript ? currentScript.src : '';
-        
-        // 1. 默认模板 (jsDelivr)
-        let tpl = 'https://cdn.jsdelivr.net/npm/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
+            const currentScript = document.currentScript;
+            const currentUrl = currentScript ? currentScript.src : '';
+            
+            // 1. 默认模板 (jsDelivr)
+            let tpl = 'https://cdn.jsdelivr.net/npm/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
 
-        // 2. 根据当前 loader.js 来源自动适配镜像
-        if (currentUrl) {
-            if (currentUrl.includes('esm.sh')) {
-                tpl = 'https://esm.sh/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
-            } else if (currentUrl.includes('unpkg.com')) {
-                tpl = 'https://unpkg.com/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
-            } else if (currentUrl.includes('unpkg.zhimg.com')) {
-                tpl = 'https://unpkg.zhimg.com/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
-            } else if (currentUrl.includes('npm.elemecdn.com')) {
-                tpl = 'https://npm.elemecdn.com/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
-            } else if (currentUrl.includes('jsdelivr.net')) {
-                tpl = 'https://cdn.jsdelivr.net/npm/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
+            // 2. 根据当前 loader.js 来源自动适配镜像
+            if (currentUrl) {
+                if (currentUrl.includes('esm.sh')) {
+                    tpl = 'https://esm.sh/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
+                } else if (currentUrl.includes('unpkg.com')) {
+                    tpl = 'https://unpkg.com/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
+                } else if (currentUrl.includes('unpkg.zhimg.com')) {
+                    tpl = 'https://unpkg.zhimg.com/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
+                } else if (currentUrl.includes('npm.elemecdn.com')) {
+                    tpl = 'https://npm.elemecdn.com/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
+                } else if (currentUrl.includes('jsdelivr.net')) {
+                    tpl = 'https://cdn.jsdelivr.net/npm/@apigo.cc/{project}@{tag}/dist/{project}.min.js';
+                }
             }
-        }
 
-        const importMap = { imports: {} };
+            const importMap = { imports: {} };
 
-        pkgs.forEach(pkg => {
-            // 支持格式 'name' 或 'name:version' 或 'name:path' (如 'bootstrap:http://localhost:5173/src/index.js')
-            const colonIdx = pkg.indexOf(':');
-            const name = colonIdx === -1 ? pkg : pkg.slice(0, colonIdx);
-            let version = colonIdx === -1 ? '' : pkg.slice(colonIdx + 1);
+            pkgs.forEach(pkg => {
+                // 支持格式 'name' 或 'name:version' 或 'name:path' (如 'bootstrap:http://localhost:5173/src/index.js')
+                const colonIdx = pkg.indexOf(':');
+                const name = colonIdx === -1 ? pkg : pkg.slice(0, colonIdx);
+                let version = colonIdx === -1 ? '' : pkg.slice(colonIdx + 1);
 
-            const key = name.toLowerCase();
-            const fullKey = `@apigo.cc/${key}`;
+                const key = name.toLowerCase();
+                const fullKey = `@apigo.cc/${key}`;
 
-            let url = '';
-            // 如果 version 包含 http://, https://, ./, ../, / 说明是自定义路径，直接作为调试或重定向地址
-            if (version && (/^(https?:|\.|\/)/.test(version))) {
-                url = version;
+                let url = '';
+                // 如果 version 包含 http://, https://, ./, ../, / 说明是自定义路径，直接作为调试或重定向地址
+                if (version && (/^(https?:|\.|\/)/.test(version))) {
+                    url = version;
+                } else {
+                    version = version || DEFAULT_VERSIONS[key] || 'latest';
+                    url = tpl.replace(/{project}/g, key).replace(/{tag}/g, version);
+                }
+                importMap.imports[fullKey] = url;
+            });
+
+            const script = document.createElement('script');
+            script.type = 'importmap';
+            script.textContent = JSON.stringify(importMap);
+            
+            if (currentScript) {
+                currentScript.parentNode.insertBefore(script, currentScript);
             } else {
-                version = version || DEFAULT_VERSIONS[key] || 'latest';
-                url = tpl.replace(/{project}/g, key).replace(/{tag}/g, version);
+                document.head.appendChild(script);
+            }
+        } finally {
+            // 运行后自动删除，防止全局污染
+            if (typeof globalThis !== 'undefined' && globalThis.__apigo_load) {
+                delete globalThis.__apigo_load;
             }
-            importMap.imports[fullKey] = url;
-        });
-
-        const script = document.createElement('script');
-        script.type = 'importmap';
-        script.textContent = JSON.stringify(importMap);
-        
-        if (currentScript) {
-            currentScript.parentNode.insertBefore(script, currentScript);
-        } else {
-            document.head.appendChild(script);
         }
     }
 };
 
 // 挂载到全局
-globalThis.Loader = Loader;
+globalThis.__apigo_load = Loader.load;
 
 export { Loader };
 export default Loader;