diff --git a/admin/src/main/java/com/example/module/admin/req/MappingUpdateRequest.java b/admin/src/main/java/com/example/module/admin/req/MappingUpdateRequest.java
index 3862cf7..c186e64 100644
--- a/admin/src/main/java/com/example/module/admin/req/MappingUpdateRequest.java
+++ b/admin/src/main/java/com/example/module/admin/req/MappingUpdateRequest.java
@@ -20,7 +20,7 @@ import javax.validation.constraints.Pattern;
  */
 public class MappingUpdateRequest extends BaseUpdateRequest {
 
-    @NotBlank(message = "主键不能为NULL")
+    @NotNull(message = "主键不能为NULL")
     private Long id;
 
     @NotBlank(message = "服务端口不能为空")