diff --git a/src/layout/components/footer.vue b/src/layout/components/footer.vue
index eb6aa8d..f39cc5c 100644
--- a/src/layout/components/footer.vue
+++ b/src/layout/components/footer.vue
@@ -54,6 +54,7 @@ const store = useStore();
 const footerSlogan = computed(() => decodeURIComponent(config.nazhua?.footerSlogan || ''));
 
 const dynamicContentRef = ref();
+const executedScripts = ref(new Set()); // 记录已执行的脚本，避免重复执行
 
 const dynamicContent = computed(() => {
   if (store.state.setting?.config?.custom_code) {
@@ -69,24 +70,69 @@ const dynamicContent = computed(() => {
 const executeScripts = () => {
   nextTick(() => {
     if (!dynamicContentRef.value) return;
+
     const scripts = dynamicContentRef.value.querySelectorAll('script');
+
     scripts.forEach((script) => {
-      const newScript = document.createElement('script');
-      newScript.type = 'text/javascript';
-      if (script.src) {
-        newScript.src = script.src; // 拷贝外部脚本的 src
-      } else {
-        newScript.textContent = script.textContent; // 拷贝内联脚本
+      try {
+        // 生成脚本唯一标识，避免重复执行
+        const scriptIdentifier = script.src || script.textContent || '';
+        if (!scriptIdentifier || executedScripts.value.has(scriptIdentifier)) {
+          return;
+        }
+
+        const newScript = document.createElement('script');
+        newScript.type = script.type || 'text/javascript';
+
+        // 复制所有相关属性
+        if (script.async !== undefined) newScript.async = script.async;
+        if (script.defer !== undefined) newScript.defer = script.defer;
+        if (script.crossOrigin) newScript.crossOrigin = script.crossOrigin;
+        if (script.integrity) newScript.integrity = script.integrity;
+        if (script.noModule !== undefined) newScript.noModule = script.noModule;
+        if (script.referrerPolicy) newScript.referrerPolicy = script.referrerPolicy;
+
+        if (script.src) {
+          // 外部脚本：监听加载完成事件
+          newScript.src = script.src;
+          newScript.onload = () => {
+            executedScripts.value.add(scriptIdentifier);
+          };
+          newScript.onerror = (error) => {
+            console.error('Failed to load external script:', script.src, error);
+          };
+          document.body.appendChild(newScript);
+        } else {
+          // 内联脚本：直接执行
+          newScript.textContent = script.textContent;
+          document.body.appendChild(newScript);
+          executedScripts.value.add(scriptIdentifier);
+          // 内联脚本执行后可以安全移除
+          document.body.removeChild(newScript);
+        }
+      } catch (error) {
+        console.error('Error executing dynamic script:', error);
       }
-      document.body.appendChild(newScript);
-      document.body.removeChild(newScript); // 可选：移除以保持整洁
     });
   });
 };
 
-watch(dynamicContent, () => {
-  if (dynamicContent.value) {
-    executeScripts();
+// 清理已执行脚本的记录（当内容变化时）
+const cleanupScripts = () => {
+  executedScripts.value.clear();
+};
+
+watch(dynamicContent, (newVal, oldVal) => {
+  // 内容变化时，清理旧的执行记录
+  if (newVal !== oldVal) {
+    cleanupScripts();
+  }
+
+  if (newVal) {
+    // 确保 DOM 已更新
+    nextTick(() => {
+      executeScripts();
+    });
   }
 });