diff --git a/index.js b/index.js
index 711af88..197fc3f 100644
--- a/index.js
+++ b/index.js
@@ -59,14 +59,16 @@ const wxSDK = (options = {}) => {
     }
 
     // SDK 加载管理
-    const scriptId = 'Pd_share'
+    const scriptId = 'wxShare'
     let scriptTag = document.getElementById(scriptId)
     let loadTimeout
 
     const cleanup = () => {
       clearTimeout(loadTimeout)
-      scriptTag.onload = null
-      scriptTag.onerror = null
+      if (scriptTag) {
+        scriptTag.onload = null
+        scriptTag.onerror = null
+      }
     }
 
     const loadSDK = () => {
diff --git a/package.json b/package.json
index b684032..2f2ba2c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wxsdk-pure",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "微信分享 SDK 封装",
   "main": "index.js",
   "scripts": {