diff --git a/public/js/EWebBridge.js b/public/js/EWebBridge.js
index c55d3825e..21a30b83e 100644
--- a/public/js/EWebBridge.js
+++ b/public/js/EWebBridge.js
@@ -228,7 +228,7 @@ function appCallBack() {}
   // H5 & webapp 调用APP，并返回一个Promise对象
   function triggerCallHandler(method, params) {
     return new Promise(function(resolve) {
-      WebViewJavascriptBridge.callHandler(method, params, function(response) {
+      window.WebViewJavascriptBridge && WebViewJavascriptBridge.callHandler(method, params, function(response) {
         resolve(response)
       })
     })