diff --git a/src/main/java/com/filesystem/service/UserService.java b/src/main/java/com/filesystem/service/UserService.java
index 1b7659e..33ccf88 100644
--- a/src/main/java/com/filesystem/service/UserService.java
+++ b/src/main/java/com/filesystem/service/UserService.java
@@ -51,10 +51,8 @@ public class UserService {
         }
         // 校验 IP：检查客户端 IP 是否在允许范围内
         String allowedIps = user.getAllowedIps();
-        if (allowedIps != null && !allowedIps.isEmpty()) {
-            if (!isIpAllowed(clientIp, allowedIps)) {
-                throw new RuntimeException("登录IP不在允许范围内");
-            }
+        if (!isIpAllowed(clientIp, allowedIps)) {
+            throw new RuntimeException("登录IP不在允许范围内");
         }
         return jwtUtil.generateToken(username, user.getId());
     }