1、修改baseController

src/main/java/com/dk/common/controller/BaseController.java

@@ -239,7 +239,7 @@ public abstract class BaseController<T> {
      */
     @ApiOperation(value = "根据id查询",notes = "根据id查询")
     @PostMapping("{id}")
-    public ResponseResultVO<T> selectById(@PathVariable Long id) {
+    public ResponseResultVO<T> selectById(@PathVariable String id) {
         return this.getService().selectById(id);
     }
 }