增加text修改，优化代码

we-com-server/src/main/java/com/tzld/piaoquan/wecom/controller/MessageController.java

@@ -21,12 +21,14 @@ public class MessageController {
     @Autowired
     private MessageService messageService;
 
+    //创建保底小程序
     @PostMapping("/miniprogram/guaranteed/create")
     public CommonResponse<Void> createGuaranteedMiniprogram(@RequestBody List<MiniprogramVo> miniprogramVoList){
         messageAttachmentService.createGuaranteedMiniprogram(miniprogramVoList);
         return CommonResponse.success();
     }
 
+    //创建新text 有时限和无时限  新创建覆盖原text 未创建取默认保底
     @PostMapping("/text/create")
     public CommonResponse<Void> createMessageText(@RequestBody MessageTextVo messageTextVo){
         messageService.createMessageText(messageTextVo);