21080 添加设备时，设备品种可以为空进行提交，导致设备原本有品种提交了无品种数据的设备。

amos-boot-system-tzs/amos-boot-module-ymt/amos-boot-module-ymt-biz/src/main/java/com/yeejoin/amos/boot/module/ymt/biz/controller/EquipmentCategoryController.java

@@ -175,14 +175,17 @@ public class EquipmentCategoryController extends BaseController {
     @TycloudOperation(ApiLevel = UserType.AGENCY)
     @ApiOperation(httpMethod = "GET", value = "设备类别下是否有设备品种", notes = "设备类别下是否有设备品种")
     @GetMapping(value = "/haveTree")
-    public ResponseModel<String> haveTree(@RequestParam(value = "code", required = false) String code) {
+    public ResponseModel<Object> haveTree(@RequestParam(value = "code", required = false) String code) {
+        JSONObject jsonObject = new JSONObject();
+        jsonObject.put("count", "0");
         if (ObjectUtils.isEmpty(code)) {
-            return ResponseHelper.buildResponse("0");
+            return ResponseHelper.buildResponse(jsonObject);
         }
         QueryWrapper<EquipmentCategory> queryWrapper = new QueryWrapper<>();
         queryWrapper.likeRight("code", code.replaceAll("0+$", ""));
         int count = equipmentCategoryServiceImpl.count(queryWrapper);
-        return ResponseHelper.buildResponse(count + "");
+        jsonObject.put("count", (count - 1) + "");
+        return ResponseHelper.buildResponse(jsonObject);
     }
 
     /**