diff --git a/trunk/src/app/srs_app_rtc_source.cpp b/trunk/src/app/srs_app_rtc_source.cpp
index 54d7e2a1e..21c7f8c7b 100644
--- a/trunk/src/app/srs_app_rtc_source.cpp
+++ b/trunk/src/app/srs_app_rtc_source.cpp
@@ -1921,7 +1921,7 @@ void SrsRtcVideoRecvTrack::on_before_decode_payload(SrsRtpPacket2* pkt, SrsBuffe
     uint8_t v = (uint8_t)pkt->nalu_type;
     if (v == kStapA) {
         *ppayload = new SrsRtpSTAPPayload();
-        *ppt = SrsRtpPacketPayloadTypeUnknown;
+        *ppt = SrsRtpPacketPayloadTypeSTAP;
     } else if (v == kFuA) {
         *ppayload = _srs_rtp_fua_cache->allocate();
         *ppt = SrsRtpPacketPayloadTypeFUA2;
diff --git a/trunk/src/kernel/srs_kernel_rtc_rtp.cpp b/trunk/src/kernel/srs_kernel_rtc_rtp.cpp
index 65cc16a40..028677409 100644
--- a/trunk/src/kernel/srs_kernel_rtc_rtp.cpp
+++ b/trunk/src/kernel/srs_kernel_rtc_rtp.cpp
@@ -849,7 +849,8 @@ void SrsRtpPacket2::recycle_payload()
     }
 
     // Reset the payload and its type.
-    payload_ = NULL; payload_type_ = SrsRtpPacketPayloadTypeUnknown;
+    payload_ = NULL;
+    payload_type_ = SrsRtpPacketPayloadTypeUnknown;
 }
 
 void SrsRtpPacket2::recycle_shared_msg()