数据大屏空车接口

performance-web/src/main/java/com/clx/performance/controller/largescreen/LargeScreenController.java

 package com.clx.performance.controller.largescreen;
 
 import cn.hutool.json.JSONObject;
+import cn.hutool.json.JSONUtil;
 import com.clx.performance.service.OrderChildService;
 import com.clx.user.feign.DriverFeign;
 import com.clx.user.feign.UserClxFeign;
@@ -40,9 +41,9 @@ public class LargeScreenController {
 
     @ApiOperation(value = "空车列表", notes = "<br>By:胡宇帆")
     @GetMapping("/emptyCarList")
-    public List<JSONObject> emptyCarList() {
+    public String emptyCarList() {
         List<String> data = driverFeign.driverTruckList().getData();
-        return orderChildService.emptyCarList(data);
+        return JSONUtil.parse(orderChildService.emptyCarList(data)).toString();
     }