diff --git a/src/Rtmp/RtmpSession.cpp b/src/Rtmp/RtmpSession.cpp
index a1e0caa9..b061cb29 100644
--- a/src/Rtmp/RtmpSession.cpp
+++ b/src/Rtmp/RtmpSession.cpp
@@ -463,10 +463,10 @@ void RtmpSession::onRtmpChunk(RtmpPacket::Ptr packet) {
         std::string type = dec.load<std::string>();
         if (type == "@setDataFrame") {
             setMetaData(dec);
-        } else if(type == "onMetaData"){
-             //setMetaData(dec);
-              _publisher_metadata = dec.load<AMFValue>();
-        }else {
+        } else if (type == "onMetaData") {
+            //兼容某些不规范的推流器
+            _publisher_metadata = dec.load<AMFValue>();
+        } else {
             TraceP(this) << "unknown notify:" << type;
         }
         break;