diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java
index ce9ac210..d204fff2 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysPermissionController.java
@@ -60,6 +60,7 @@ public class SysPermissionController {
 	private static final String DEL_SUCCESS = "删除成功!";
 	private static final String PERMISSION_LIST = "permissionList";
 	private static final String CHILDREN = "children";
+	private static final String PARAM_NULL = "参数不识别！";
 
 	/**
 	 * 加载数据节点
@@ -275,7 +276,7 @@ public class SysPermissionController {
 	public Results<T> delete(@RequestBody Map<String, String> map) {
 		String id = map.get("id");
 		if(StringUtils.isBlank(id)){
-			return Results.error("参数不识别！");
+			return Results.error(PARAM_NULL);
 		}
 		try {
 			sysPermissionService.deletePermission(id);
@@ -297,7 +298,7 @@ public class SysPermissionController {
 	public Results<T> deleteBatch(@RequestBody Map<String, String> map) {
 		String ids = map.get("ids");
 		if(StringUtils.isBlank(ids)){
-			return Results.error("参数不识别！");
+			return Results.error(PARAM_NULL);
 		}
 		try {
             String[] arr = ids.split(",");
@@ -721,7 +722,7 @@ public class SysPermissionController {
 		try {
 			String id = map.get("id");
 			if(StringUtils.isBlank(id)){
-				return Results.error("参数不识别！");
+				return Results.error(PARAM_NULL);
 			}
 			sysPermissionDataRuleService.deletePermissionDataRule(id);
 			return Results.OK("删除成功！");