diff --git a/client/entities.go b/client/entities.go
index d6d70038..06cb1abd 100644
--- a/client/entities.go
+++ b/client/entities.go
@@ -177,6 +177,7 @@ type (
 	LogEvent struct {
 		Type    string
 		Message string
+		Dump    []byte
 	}
 
 	ServerUpdatedEvent struct {
diff --git a/client/global.go b/client/global.go
index dc9d2903..73a1cd7d 100644
--- a/client/global.go
+++ b/client/global.go
@@ -723,3 +723,11 @@ func (c *QQClient) Trace(msg string, args ...interface{}) {
 		Message: fmt.Sprintf(msg, args...),
 	})
 }
+
+func (c *QQClient) Dump(msg string, data []byte, args ...interface{}) {
+	c.dispatchLogEvent(&LogEvent{
+		Type:    "DUMP",
+		Message: fmt.Sprintf(msg, args...),
+		Dump:    data,
+	})
+}
diff --git a/client/network.go b/client/network.go
index d4b4e42b..77cae726 100644
--- a/client/network.go
+++ b/client/network.go
@@ -322,6 +322,7 @@ func (c *QQClient) netLoop() {
 			defer func() {
 				if pan := recover(); pan != nil {
 					c.Error("panic on decoder %v : %v\n%s", pkt.CommandName, pan, debug.Stack())
+					c.Dump("packet decode error: %v - %v", pkt.Payload, pkt.CommandName, pan)
 				}
 			}()