diff --git a/src/core/service/api/network/request.js b/src/core/service/api/network/request.js
index a345d6ac9617487834539eb3fbea31a1e6d3a955..5360b715db19f245e32cfcc33b61f28019dcd0eb 100644
--- a/src/core/service/api/network/request.js
+++ b/src/core/service/api/network/request.js
@@ -99,7 +99,10 @@ class RequestTask {
   }
 }
 
-export function request (args, callbackId) {
+export function request (args, callbackId) {
+  if (args.method !== 'GET' && args.header['Content-Type'].indexOf('application/json') === 0 && isPlainObject(args.data)) {
+    args.data = JSON.stringify(args.data)
+  }
   const {
     requestTaskId
   } = invokeMethod('createRequestTask', args)