[fix] 修复set_param不能执行回调函数

错误原因：set_param的token没有放到pending_request中。

params_service.py

@@ -168,6 +168,7 @@ class ParamsService(QObject):
                     self.socket.write(json_data.encode('utf-8'))
                     self.socket.flush()
                 case CMD.SET_PARAMS:
+                    self.pending_requests[request.token] = request
                     request_data = {
                         "cmd": "set_params",
                         "token": request.token,
@@ -188,7 +189,6 @@ class ParamsService(QObject):
             token = response.get("token")
             if token in self.pending_requests:
                 request = self.pending_requests.pop(token)
-
                 if request.callback:
                     res_data = response["data"]
                     res = Response(token, CMD.GET_PARAMS, request.widget, res_data)