diff --git a/backend/src/main/java/com/supwisdom/dlpay/api/util/MobileNumberCheck.java b/backend/src/main/java/com/supwisdom/dlpay/api/util/MobileNumberCheck.java
index 4508bbf..4fddca7 100644
--- a/backend/src/main/java/com/supwisdom/dlpay/api/util/MobileNumberCheck.java
+++ b/backend/src/main/java/com/supwisdom/dlpay/api/util/MobileNumberCheck.java
@@ -10,9 +10,9 @@
   private static final String PHONE_CALL_PATTERN = "^(?:\\(\\d{3,4}\\)|\\d{3,4}-)?\\d{7,8}(?:-\\d{1,4})?$";
 
   /**
-   * 中国电信号码格式验证 手机段： 133,153,180,181,189,177,1700,173 新增段：199
+   * 中国电信号码格式验证 手机段： 133,153,180,181,189,177,1700,173 新增段：199,191
    **/
-  private static final String CHINA_TELECOM_PATTERN = "(?:^(?:\\+86)?1(?:33|53|7[37]|8[019]|99)\\d{8}$)|(?:^(?:\\+86)?1700\\d{7}$)";
+  private static final String CHINA_TELECOM_PATTERN = "(?:^(?:\\+86)?1(?:33|53|7[37]|8[019]|9[19])\\d{8}$)|(?:^(?:\\+86)?1700\\d{7}$)";
 
   /**
    * 中国联通号码格式验证 手机段：130,131,132,155,156,185,186,145,176,1707,1708,1709,175 新增段：166,146