diff --git a/lib/utils.js b/lib/utils.js
index 82bfad5c..6677e7df 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -7,6 +7,11 @@
  * @returns {Promise<unknown>}
  */
 export function loadExternalResource(url, type) {
+  // 检查是否已存在
+  const elements = document.querySelectorAll(`[href='${url}']`)
+  if (elements.length > 0 || !url) {
+    return
+  }
   return new Promise((resolve, reject) => {
     let tag