diff --git a/onebot/protobuf_handler.go b/onebot/protobuf_handler.go
index ac9420b..4d8d04d 100644
--- a/onebot/protobuf_handler.go
+++ b/onebot/protobuf_handler.go
@@ -14,6 +14,10 @@ import (
 func HandleProtobufMsgAndSend(payload map[string]interface{}) {
 	jsonData, err := HandleProtobufMsg(payload)
 	if err != nil {
+		if isUnsupportedProtobufMessage(err) {
+			Warn("跳过不匹配的protobuf消息", "err", err)
+			return
+		}
 		Error("protobuf消息处理失败", "err", err)
 		return
 	}
@@ -29,6 +33,18 @@ func HandleProtobufMsgAndSend(payload map[string]interface{}) {
 	}
 }
 
+func isUnsupportedProtobufMessage(err error) bool {
+	if err == nil {
+		return false
+	}
+
+	message := err.Error()
+	return strings.Contains(message, "cannot parse invalid wire-format data") ||
+		strings.Contains(message, "cannot extract message data") ||
+		strings.Contains(message, "missing required fields") ||
+		strings.Contains(message, "no messages found")
+}
+
 func HandleProtobufMsg(payload map[string]interface{}) ([]byte, error) {
 	dataInter, ok := payload["data"]
 	if !ok {
@@ -52,10 +68,7 @@ func HandleProtobufMsg(payload map[string]interface{}) ([]byte, error) {
 	msg := &wxproto.WxRecvMsg{}
 	err := proto.Unmarshal(rawBytes, msg)
 	if err != nil {
-		if strings.Contains(err.Error(), "cannot parse invalid wire-format data") {
-			return nil, nil
-		}
-		return nil, fmt.Errorf("protobuf unmarshal failed: %w", err)
+		return nil, fmt.Errorf("protobuf unmarshal failed (data_len=%d): %w", len(rawBytes), err)
 	}
 
 	data := getWxMsgData(msg)
diff --git a/onebot/script.js b/onebot/script.js
index 7f0fdc4..51c1af0 100644
--- a/onebot/script.js
+++ b/onebot/script.js
@@ -1047,20 +1047,27 @@ function setReceiver() {
 
 				pendingBuf2RespTaskId = 0;
 				pendingSendMsgType = "";
+            }
+
+            if (x2 < 4) {
+                return;
+            }
+            if (x2 > MAX_FRIDA_MESSAGE_BYTES) {
+                console.warn("[skip] protobuf_msg length out of range: " + x2);
                 return;
             }
 
-            if (x2 < 4 || x2 > MAX_FRIDA_MESSAGE_BYTES) {
-                return;
-            }
-
-            // 2. field 2 wrapper长度 < 128 (单字节varint) → wrapper内容过小,非聊天消息
-            if (currentPtr.add(2).readU8() === 0x10 || currentPtr.add(2).readU8() === 0x16 || (currentPtr.add(3).readU8() & 0x80) === 0) {
-                return;
-            }
             const mem = readByteArrayIfReadable(currentPtr, x2);
-            if (!mem) return;
+            if (!mem) {
+                console.warn("[skip] protobuf_msg memory read failed, length=" + x2);
+                return;
+            }
             const uint8Array = new Uint8Array(mem);
+            // 与已验证稳定的旧版本保持一致，只做最宽松的消息候选判断。
+            // 具体结构交给 Go 解析，宁可产生误判日志，也不要在 JS 层漏掉消息。
+            if (uint8Array[0] !== 0x08) {
+                return;
+            }
 
             send({
                 type: "protobuf_msg",