diff --git a/backend/src/main/java/com/kob/backend/service/impl/user/account/RegisterServiceImpl.java b/backend/src/main/java/com/kob/backend/service/impl/user/account/RegisterServiceImpl.java
index e1d7507..5b4f69d 100644
--- a/backend/src/main/java/com/kob/backend/service/impl/user/account/RegisterServiceImpl.java
+++ b/backend/src/main/java/com/kob/backend/service/impl/user/account/RegisterServiceImpl.java
@@ -62,8 +62,8 @@ public class RegisterServiceImpl implements RegisterService {
         else if (!confirmedPassword.equals(password)) {
             map.put("error_message", "两次密码输入不一致");
             return map;
-        } else if (password.length() < 6) {
-            map.put("error_message", "密码不能少于6位");
+        } else if (password.length() < 2) {
+            map.put("error_message", "密码不能少于2位");
             return map;
         } else if (password.length() > 100) {
             map.put("error_message", "密码过长");