diff --git a/lib/network/http/h2/h2_codec.dart b/lib/network/http/h2/h2_codec.dart
index e9fe5c2..0c0c30a 100644
--- a/lib/network/http/h2/h2_codec.dart
+++ b/lib/network/http/h2/h2_codec.dart
@@ -451,10 +451,24 @@ class Http2RequestDecoder extends Http2Codec<HttpRequest> {
       // 解析 authority，提取主机和端口
       String host = authority;
       int port = (scheme == 'https' ? 443 : 80);
-      if (authority.contains(':')) {
-        var parts = authority.split(':');
-        host = parts[0];
-        port = int.tryParse(parts[1]) ?? (scheme == 'https' ? 443 : 80);
+
+      if (authority.startsWith("[")) {
+        int closeBracketIndex = authority.indexOf(']');
+        if (closeBracketIndex != -1) {
+          host = authority.substring(0, closeBracketIndex + 1);
+          if (authority.length > closeBracketIndex + 1 && authority[closeBracketIndex + 1] == ':') {
+            port = int.tryParse(authority.substring(closeBracketIndex + 2)) ?? port;
+          }
+        }
+      } else {
+        int lastColonIndex = authority.lastIndexOf(':');
+        if (lastColonIndex != -1) {
+          var p = int.tryParse(authority.substring(lastColonIndex + 1));
+          if (p != null) {
+            host = authority.substring(0, lastColonIndex);
+            port = p;
+          }
+        }
       }
       httpRequest.hostAndPort = HostAndPort("$scheme://", host, port);
     }
diff --git a/lib/network/http/http.dart b/lib/network/http/http.dart
index 006a538..ebd0084 100644
--- a/lib/network/http/http.dart
+++ b/lib/network/http/http.dart
@@ -228,6 +228,7 @@ class HttpRequest extends HttpMessage {
       _requestUri ??= Uri.parse(requestUrl);
       return _requestUri;
     } catch (e) {
+      logger.w('parse uri error $requestUrl  ${hostAndPort?.scheme} ${hostAndPort?.host}: $e');
       return null;
     }
   }
diff --git a/test/temp_ipv6_test.dart b/test/temp_ipv6_test.dart
new file mode 100644
index 0000000..3471aad
--- /dev/null
+++ b/test/temp_ipv6_test.dart
@@ -0,0 +1,137 @@
+
+import 'package:test/test.dart';
+
+void main() {
+  test('Parsed IPv6 authority correctly', () {
+    var authority = "[240c:409f:1000::4:0:a5]";
+    var scheme = "https";
+
+    String host = authority;
+    int port = (scheme == 'https' ? 443 : 80);
+
+    if (authority.startsWith("[")) {
+      int closeBracketIndex = authority.indexOf(']');
+      if (closeBracketIndex != -1) {
+        host = authority.substring(0, closeBracketIndex + 1);
+        if (authority.length > closeBracketIndex + 1 && authority[closeBracketIndex + 1] == ':') {
+          port = int.tryParse(authority.substring(closeBracketIndex + 2)) ?? port;
+        }
+      }
+    } else {
+      int lastColonIndex = authority.lastIndexOf(':');
+      if (lastColonIndex != -1) {
+        var p = int.tryParse(authority.substring(lastColonIndex + 1));
+        if (p != null) {
+          host = authority.substring(0, lastColonIndex);
+          port = p;
+        }
+      }
+    }
+
+    expect(host, "[240c:409f:1000::4:0:a5]");
+    expect(port, 443);
+  });
+
+  test('Parsed IPv6 authority with port correctly', () {
+    var authority = "[240c:409f:1000::4:0:a5]:8080";
+    var scheme = "https";
+
+    String host = authority;
+    int port = (scheme == 'https' ? 443 : 80);
+
+    if (authority.startsWith("[")) {
+      int closeBracketIndex = authority.indexOf(']');
+      if (closeBracketIndex != -1) {
+        host = authority.substring(0, closeBracketIndex + 1);
+        if (authority.length > closeBracketIndex + 1 && authority[closeBracketIndex + 1] == ':') {
+          port = int.tryParse(authority.substring(closeBracketIndex + 2)) ?? port;
+        }
+      }
+    } else {
+      int lastColonIndex = authority.lastIndexOf(':');
+      if (lastColonIndex != -1) {
+        var p = int.tryParse(authority.substring(lastColonIndex + 1));
+        if (p != null) {
+          host = authority.substring(0, lastColonIndex);
+          port = p;
+        }
+      }
+    }
+
+    expect(host, "[240c:409f:1000::4:0:a5]");
+    expect(port, 8080);
+  });
+
+  test('Parsed IPv6 authority broken', () {
+    // case from log: [240c
+    // Though log says host=[240c, authority was [240c:409f:1000::4:0:a5]
+    // This testcase is checking if the logic handles incomplete ipv6 gracefully?
+    // If authority is literally "[240c", it has start [ but no ].
+    var authority = "[240c";
+    var scheme = "https";
+
+    String host = authority;
+    int port = (scheme == 'https' ? 443 : 80);
+
+    if (authority.startsWith("[")) {
+      int closeBracketIndex = authority.indexOf(']');
+      if (closeBracketIndex != -1) {
+        host = authority.substring(0, closeBracketIndex + 1);
+        if (authority.length > closeBracketIndex + 1 && authority[closeBracketIndex + 1] == ':') {
+          port = int.tryParse(authority.substring(closeBracketIndex + 2)) ?? port;
+        }
+      }
+    } else {
+       // ...
+    }
+    // Logic says: if start with [ but no ], host remains authority.
+    expect(host, "[240c");
+  });
+
+  test('Parsed IPv4 authority correctly', () {
+      var authority = "192.168.1.1:8080";
+      var scheme = "http";
+
+      String host = authority;
+      int port = (scheme == 'https' ? 443 : 80);
+
+      if (authority.startsWith("[")) {
+          // ...
+      } else {
+        int lastColonIndex = authority.lastIndexOf(':');
+        if (lastColonIndex != -1) {
+          var p = int.tryParse(authority.substring(lastColonIndex + 1));
+          if (p != null) {
+            host = authority.substring(0, lastColonIndex);
+            port = p;
+          }
+        }
+      }
+      expect(host, "192.168.1.1");
+      expect(port, 8080);
+  });
+
+  test('Parsed simple hostname correctly', () {
+      var authority = "example.com";
+      var scheme = "https";
+
+      String host = authority;
+      int port = (scheme == 'https' ? 443 : 80);
+
+      if (authority.startsWith("[")) {
+          // ...
+      } else {
+        int lastColonIndex = authority.lastIndexOf(':');
+        if (lastColonIndex != -1) {
+          var p = int.tryParse(authority.substring(lastColonIndex + 1));
+          if (p != null) {
+            host = authority.substring(0, lastColonIndex);
+            port = p;
+          }
+        }
+      }
+      expect(host, "example.com");
+      expect(port, 443);
+  });
+}
+