diff --git a/AnyCore/anyrtmpush.cc b/AnyCore/anyrtmpush.cc
index d9e32467e7a234e8093e95a195cfc556156180e3..256d22c1057478a89e8bf49a172b33b908a186f6 100644
--- a/AnyCore/anyrtmpush.cc
+++ b/AnyCore/anyrtmpush.cc
@@ -506,7 +506,9 @@ void AnyRtmpPush::DoSendData()
 		}
 		else if(dataPtr->_type == META_DATA){
             int ret = srs_rtmp_write_packet(rtmp_, SRS_RTMP_TYPE_SCRIPT, dataPtr->_dts, (char*)dataPtr->_data, dataPtr->_dataLen);
-		    srs_human_trace("send metadata failed. ret=%d", ret);
+			if (ret != 0) {
+				srs_human_trace("send metadata failed. ret=%d", ret);
+			}
 		    return;
 		}
 
diff --git a/Prj-Android/jni/Application.mk b/Prj-Android/jni/Application.mk
index 157d6c3707d3041f080f75f11768bdf09d0a8e77..41e50a891466084343a9a1619732c56a14c1eafb 100644
--- a/Prj-Android/jni/Application.mk
+++ b/Prj-Android/jni/Application.mk
@@ -4,12 +4,12 @@ APP_ABI := armeabi-v7a
 #armeabi-v7a arm64-v8a
 
 NDK_PATH := /cygdrive/c/Android/NDK/android-ndk-r10e
-NDK_STL_INC := $(NDK_PATH)/sources/cxx-stl/gnu-libstdc++/4.8/include
+NDK_STL_INC := $(NDK_PATH)/sources/cxx-stl/gnu-libstdc++/4.9/include
 
 APP_OPTIM        := release 
 APP_CFLAGS       += -O3
 #APP_STL := gnustl_shared
 APP_STL := gnustl_static
-NDK_TOOLCHAIN_VERSION = 4.8
+NDK_TOOLCHAIN_VERSION = 4.9
 
 APP_PLATFORM := android-14
\ No newline at end of file
diff --git a/README.md b/README.md
index f8d7b70f03830adedacadd4606740f73ab3090ba..4b7804571d715bbd2b97fd58c16edcfe3b5d9992 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # AnyRTC-RTMP
-
+<img src="http://123.59.68.21/download/anyrtc-default.png" width="313" alt="AnyRTC-RTMP" /> </br>
 本次开源的客户端基于RTMP协议的推流拉流客户端，由我司CTO亲自操刀设计，采用跨平台架构一套代码支持Android、iOS、Windows等平台。</br>
 直播涉及的流程：『采集->编码->传输->解码->播放』本项目统统包含，这不是软文，这是实实在在的商业级实战代码；无论是你新手还是老司机，我们都热烈欢迎您前来筑码。
 
diff --git a/webrtc/Android.mk b/webrtc/Android.mk
index 4c81a414297d27bb95a9749a3f6e7e390e4b0438..f3f2efc13066579113bb3886c1cc031b613d9076 100644
--- a/webrtc/Android.mk
+++ b/webrtc/Android.mk
@@ -137,7 +137,7 @@ LOCAL_MODULE := libwebrtc
 LOCAL_MODULE_TAGS := optional
 
 LOCAL_CFLAGS := -std=gnu++11 -frtti -D__UCLIBC__ -DWEBRTC_POSIX -DWEBRTC_LINUX -DWEBRTC_ANDROID -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS 
-LOCAL_CFLAGS += -DWEBRTC_THREAD_RR -DWEBRTC_INCLUDE_INTERNAL_AUDIO_DEVICE -DWEBRTC_USE_H264 -DWEBRTC_INITIALIZE_FFMPEG
+LOCAL_CFLAGS += -DWEBRTC_THREAD_RR -DWEBRTC_INCLUDE_INTERNAL_AUDIO_DEVICE -DWEBRTC_USE_H264 -DWEBRTC_INITIALIZE_FFMPEG -DNO_STL
 
 include $(BUILD_STATIC_LIBRARY)