diff --git a/src/core/service/api/network/request.js b/src/core/service/api/network/request.js
index 4319fd1ae246040bfff8b950879f77cd625b6264..0c9569fdf4c9b1bac9530701d438a6afa4b31946 100644
--- a/src/core/service/api/network/request.js
+++ b/src/core/service/api/network/request.js
@@ -33,7 +33,7 @@ function setUrl (url, data) {
       if (query.match(reg)) {
         query.replace(reg, '$1' + valEncode)
       } else {
-        query += '&' + keyEncode + '=' + valEncode
+        query += (query.length ? '&' : '') + keyEncode + '=' + valEncode
       }
     }
   }