diff --git a/lib/EmergencyService/zdxtEmergencyAuthService/src/main/java/com/zdxt/auth/common/constant/UserConstants.java b/lib/EmergencyService/zdxtEmergencyAuthService/src/main/java/com/zdxt/auth/common/constant/UserConstants.java
index 33cdf73b..e09ca3c0 100644
--- a/lib/EmergencyService/zdxtEmergencyAuthService/src/main/java/com/zdxt/auth/common/constant/UserConstants.java
+++ b/lib/EmergencyService/zdxtEmergencyAuthService/src/main/java/com/zdxt/auth/common/constant/UserConstants.java
@@ -32,7 +32,7 @@ public class UserConstants
      * 用户名长度限制
      */
     public static final int USERNAME_MIN_LENGTH = 2;
-    public static final int USERNAME_MAX_LENGTH = 30;
+    public static final int USERNAME_MAX_LENGTH = 100;
 
     /** 登录名称是否唯一的返回结果码 */
     public final static String USER_NAME_UNIQUE = "0";