diff --git a/src/Shared/HandyControl_Shared/Tools/RegexPatterns.cs b/src/Shared/HandyControl_Shared/Tools/RegexPatterns.cs
index b01ecb95..9aa7c89a 100644
--- a/src/Shared/HandyControl_Shared/Tools/RegexPatterns.cs
+++ b/src/Shared/HandyControl_Shared/Tools/RegexPatterns.cs
@@ -56,7 +56,7 @@ public sealed class RegexPatterns
     ///     D类IP正则匹配
     /// </summary>
     public const string IpDPattern =
-        @"^(22[4-9]|23\d\."
+        @"^(22[4-9]|23\d)\."
         + @"(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\."
         + @"(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\."
         + @"(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)$";
@@ -65,7 +65,7 @@ public sealed class RegexPatterns
     ///     E类IP正则匹配
     /// </summary>
     public const string IpEPattern =
-        @"^(25[0-5]|24\d\."
+        @"^(25[0-5]|24\d)\."
         + @"(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\."
         + @"(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)\."
         + @"(25[0-5]|2[0-4]\d|1\d{2}|[1-9]?\d)$";
@@ -147,4 +147,4 @@ public sealed class RegexPatterns
     /// <param name="propertyName"></param>
     /// <returns></returns>
     public object GetValue(string propertyName) => GetType().GetField(propertyName).GetValue(null);
-}
+}
\ No newline at end of file