diff --git a/src/main/java/com/filesystem/controller/AuthController.java b/src/main/java/com/filesystem/controller/AuthController.java
index e290046..c8cce11 100644
--- a/src/main/java/com/filesystem/controller/AuthController.java
+++ b/src/main/java/com/filesystem/controller/AuthController.java
@@ -37,18 +37,17 @@ public class AuthController {
             String token = userService.login(username, password, clientIp);
             User user = userService.findByUsername(username);
 
-            // 直接读取存储空间，不重算
-            long storageUsed = user.getStorageUsed() != null ? user.getStorageUsed() : 0L;
-            long storageLimit = user.getStorageLimit() != null ? user.getStorageLimit() : 0L;
+            long storageUsed = user.getStorageUsed();
+            long storageLimit = user.getStorageLimit();
 
             Map<String, Object> userData = new HashMap<>();
             userData.put("id", user.getId());
             userData.put("username", user.getUsername());
-            userData.put("nickname", user.getNickname() != null ? user.getNickname() : "");
-            userData.put("signature", user.getSignature() != null ? user.getSignature() : "");
-            userData.put("avatar", user.getAvatar() != null ? user.getAvatar() : "");
-            userData.put("phone", user.getPhone() != null ? user.getPhone() : "");
-            userData.put("email", user.getEmail() != null ? user.getEmail() : "");
+            userData.put("nickname", user.getNickname());
+            userData.put("signature", user.getSignature());
+            userData.put("avatar", user.getAvatar());
+            userData.put("phone", user.getPhone());
+            userData.put("email", user.getEmail());
             userData.put("storageUsed", storageUsed);
             userData.put("storageLimit", storageLimit);