diff --git a/src/platforms/h5/helpers/get-jsonp.js b/src/platforms/h5/helpers/get-jsonp.js
index 58eab9947856b983ac1af50c314e4a06090bfeee..1ca99b678f3a2748bb393cc4ed73142d33ffe760 100644
--- a/src/platforms/h5/helpers/get-jsonp.js
+++ b/src/platforms/h5/helpers/get-jsonp.js
@@ -8,7 +8,7 @@
 export function getJSONP (url, options, success, error) {
   var js = document.createElement('script')
   var callbackKey = options.callback || 'callback'
-  var callbackName = '__callback' + Date.now()
+  var callbackName = '__callback' + Date.now() + Math.random().toString().slice(2)
   var timeout = options.timeout || 30000
   var timing
   function end () {