1、修改baseService

src/main/java/com/dk/common/service/BaseService.java

@@ -265,7 +265,7 @@ public abstract class BaseService<T> extends ServiceImpl<com.baomidou.mybatisplu
         return this.getRepository().countByCond(null);
     }
 
-    public ResponseResultVO<T> selectById(Long id) {
+    public ResponseResultVO<T> selectById(String id) {
         T t = selectObjectById(id);
         if (t == null) {
             return ResponseResultUtil.error(ResponseCodeEnum.SELECT_NULL);
@@ -273,7 +273,7 @@ public abstract class BaseService<T> extends ServiceImpl<com.baomidou.mybatisplu
         return ResponseResultUtil.success(t);
     }
 
-    public T selectObjectById(Long id) {
+    public T selectObjectById(String id) {
         return super.getById(id);
     }