diff --git a/src/main/java/com/ruoyi/common/utils/uuid/UUID.java b/src/main/java/com/ruoyi/common/utils/uuid/UUID.java
index eef72ee..e3b032f 100644
--- a/src/main/java/com/ruoyi/common/utils/uuid/UUID.java
+++ b/src/main/java/com/ruoyi/common/utils/uuid/UUID.java
@@ -66,7 +66,7 @@ public final class UUID implements java.io.Serializable, Comparable<UUID>
     }
 
     /**
-     * 获取类型 4（伪随机生成的）UUID 的静态工厂。 使用加密的本地线程伪随机数生成器生成该 UUID。
+     * 获取类型 4（伪随机生成的）UUID 的静态工厂。 
      * 
      * @return 随机生成的 {@code UUID}
      */
diff --git a/src/main/java/com/ruoyi/framework/security/service/SysPermissionService.java b/src/main/java/com/ruoyi/framework/security/service/SysPermissionService.java
index 0d4b280..d8bcdac 100644
--- a/src/main/java/com/ruoyi/framework/security/service/SysPermissionService.java
+++ b/src/main/java/com/ruoyi/framework/security/service/SysPermissionService.java
@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.Set;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
+import org.springframework.util.CollectionUtils;
 import com.ruoyi.project.system.domain.SysRole;
 import com.ruoyi.project.system.domain.SysUser;
 import com.ruoyi.project.system.service.ISysMenuService;
@@ -62,7 +63,7 @@ public class SysPermissionService
         else
         {
             List<SysRole> roles = user.getRoles();
-            if (!roles.isEmpty() && roles.size() > 1)
+            if (!CollectionUtils.isEmpty(roles))
             {
                 // 多角色设置permissions属性，以便数据权限匹配权限
                 for (SysRole role : roles)
diff --git a/src/main/java/com/ruoyi/framework/web/domain/AjaxResult.java b/src/main/java/com/ruoyi/framework/web/domain/AjaxResult.java
index c9f14ea..890aeaa 100644
--- a/src/main/java/com/ruoyi/framework/web/domain/AjaxResult.java
+++ b/src/main/java/com/ruoyi/framework/web/domain/AjaxResult.java
@@ -177,7 +177,17 @@ public class AjaxResult extends HashMap<String, Object>
      */
     public boolean isSuccess()
     {
-        return !isError();
+        return Objects.equals(HttpStatus.SUCCESS, this.get(CODE_TAG));
+    }
+
+    /**
+     * 是否为警告消息
+     *
+     * @return 结果
+     */
+    public boolean isWarn()
+    {
+        return Objects.equals(HttpStatus.WARN, this.get(CODE_TAG));
     }
 
     /**
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 6f97a8f..c20bb64 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -12,7 +12,7 @@ ruoyi:
   profile: D:/ruoyi/uploadPath
   # 获取ip地址开关
   addressEnabled: false
-  # 验证码类型 math 数组计算 char 字符验证
+  # 验证码类型 math 数字计算 char 字符验证
   captchaType: math
 
 # 开发环境配置