diff --git a/trunk/configure b/trunk/configure
index 44a16d531..a6d405735 100755
--- a/trunk/configure
+++ b/trunk/configure
@@ -133,7 +133,7 @@ CORE_OBJS="${MODULE_OBJS[@]}"
 MODULE_ID="KERNEL" 
 MODULE_DEPENDS=("CORE") 
 ModuleLibIncs=(${SRS_OBJS})
-MODULE_FILES=("srs_kernel_error")
+MODULE_FILES=("srs_kernel_error" "srs_kernel_log")
 MODULE_DIR="src/kernel" . auto/modules.sh
 KERNEL_OBJS="${MODULE_OBJS[@]}"
 #
@@ -141,7 +141,7 @@ KERNEL_OBJS="${MODULE_OBJS[@]}"
 MODULE_ID="APP" 
 MODULE_DEPENDS=("CORE" "KERNEL") 
 ModuleLibIncs=(${LibSTRoot} ${LibHttpParserRoot} ${LibSSLRoot} ${SRS_OBJS})
-MODULE_FILES=("srs_core_log" "srs_core_server" 
+MODULE_FILES=("srs_core_server" 
          "srs_core_conn" "srs_core_client" 
         "srs_core_rtmp" "srs_core_socket" "srs_core_buffer"
         "srs_core_protocol" "srs_core_amf0"
@@ -150,7 +150,7 @@ MODULE_FILES=("srs_core_log" "srs_core_server"
         "srs_core_config" "srs_core_refer" "srs_core_reload"
         "srs_core_hls" "srs_core_forward" "srs_core_encoder"
         "srs_core_http" "srs_core_thread" "srs_core_bandwidth"
-        "srs_core_st")
+        "srs_core_st" "srs_core_log_context")
 MODULE_DIR="src/app" . auto/modules.sh
 APP_OBJS="${MODULE_OBJS[@]}"
 #
diff --git a/trunk/src/app/srs_core_amf0.cpp b/trunk/src/app/srs_core_amf0.cpp
index 814519a9d..5ef862dd1 100644
--- a/trunk/src/app/srs_core_amf0.cpp
+++ b/trunk/src/app/srs_core_amf0.cpp
@@ -25,7 +25,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <utility>
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 #include <srs_core_stream.hpp>
 
diff --git a/trunk/src/app/srs_core_buffer.cpp b/trunk/src/app/srs_core_buffer.cpp
index b5f23ff4d..d901a10e7 100644
--- a/trunk/src/app/srs_core_buffer.cpp
+++ b/trunk/src/app/srs_core_buffer.cpp
@@ -25,7 +25,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_kernel_error.hpp>
 #include <srs_core_socket.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 
 #define SOCKET_READ_SIZE 4096
 
diff --git a/trunk/src/app/srs_core_client.cpp b/trunk/src/app/srs_core_client.cpp
index 9fb104ab5..6e5d8f01e 100644
--- a/trunk/src/app/srs_core_client.cpp
+++ b/trunk/src/app/srs_core_client.cpp
@@ -29,7 +29,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 using namespace std;
 
 #include <srs_kernel_error.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_rtmp.hpp>
 #include <srs_core_protocol.hpp>
 #include <srs_core_autofree.hpp>
diff --git a/trunk/src/app/srs_core_codec.cpp b/trunk/src/app/srs_core_codec.cpp
index 60fc8ee29..af3462608 100644
--- a/trunk/src/app/srs_core_codec.cpp
+++ b/trunk/src/app/srs_core_codec.cpp
@@ -28,7 +28,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_kernel_error.hpp>
 #include <srs_core_stream.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_autofree.hpp>
 
 SrsCodecBuffer::SrsCodecBuffer()
diff --git a/trunk/src/app/srs_core_config.cpp b/trunk/src/app/srs_core_config.cpp
index 1cb34b915..f9118b0df 100644
--- a/trunk/src/app/srs_core_config.cpp
+++ b/trunk/src/app/srs_core_config.cpp
@@ -38,7 +38,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 using namespace std;
 
 #include <srs_kernel_error.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_autofree.hpp>
 
 #define FILE_OFFSET(fd) lseek(fd, 0, SEEK_CUR)
diff --git a/trunk/src/app/srs_core_conn.cpp b/trunk/src/app/srs_core_conn.cpp
index fad20a0be..92a2ba744 100644
--- a/trunk/src/app/srs_core_conn.cpp
+++ b/trunk/src/app/srs_core_conn.cpp
@@ -23,7 +23,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_core_conn.hpp>
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 #include <srs_core_server.hpp>
 
diff --git a/trunk/src/app/srs_core_encoder.cpp b/trunk/src/app/srs_core_encoder.cpp
index 082d7eeeb..778bfa810 100644
--- a/trunk/src/app/srs_core_encoder.cpp
+++ b/trunk/src/app/srs_core_encoder.cpp
@@ -33,7 +33,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <algorithm>
 
 #include <srs_kernel_error.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_config.hpp>
 #include <srs_core_rtmp.hpp>
 #include <srs_core_pithy_print.hpp>
diff --git a/trunk/src/app/srs_core_forward.cpp b/trunk/src/app/srs_core_forward.cpp
index 75830e75d..9e4818b18 100644
--- a/trunk/src/app/srs_core_forward.cpp
+++ b/trunk/src/app/srs_core_forward.cpp
@@ -30,7 +30,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_kernel_error.hpp>
 #include <srs_core_rtmp.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_protocol.hpp>
 #include <srs_core_pithy_print.hpp>
 #include <srs_core_rtmp.hpp>
diff --git a/trunk/src/app/srs_core_handshake.cpp b/trunk/src/app/srs_core_handshake.cpp
index a014d0ddb..9f05133df 100644
--- a/trunk/src/app/srs_core_handshake.cpp
+++ b/trunk/src/app/srs_core_handshake.cpp
@@ -27,7 +27,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <stdlib.h>
 
 #include <srs_kernel_error.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_autofree.hpp>
 #include <srs_core_socket.hpp>
 
diff --git a/trunk/src/app/srs_core_http.cpp b/trunk/src/app/srs_core_http.cpp
index e9231cafb..e47b47206 100644
--- a/trunk/src/app/srs_core_http.cpp
+++ b/trunk/src/app/srs_core_http.cpp
@@ -34,7 +34,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_kernel_error.hpp>
 #include <srs_core_rtmp.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_socket.hpp>
 
 #define SRS_DEFAULT_HTTP_PORT 80
diff --git a/trunk/src/app/srs_core_log.cpp b/trunk/src/app/srs_core_log_context.cpp
similarity index 64%
rename from trunk/src/app/srs_core_log.cpp
rename to trunk/src/app/srs_core_log_context.cpp
index d072dcda0..369ac47f4 100644
--- a/trunk/src/app/srs_core_log.cpp
+++ b/trunk/src/app/srs_core_log_context.cpp
@@ -21,64 +21,20 @@ IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#include <srs_core_log.hpp>
+#include <srs_core_log_context.hpp>
 
-#include <string.h>
-#include <sys/time.h>
+ILogContext* log_context = new SrsLogContext();
 
-#include <string>
-#include <map>
-
-#include <st.h>
-
-ILogContext::ILogContext()
-{
-}
-
-ILogContext::~ILogContext()
-{
-}
-
-class LogContext : public ILogContext
-{
-private:
-	class DateTime
-	{
-	private:
-	    // %d-%02d-%02d %02d:%02d:%02d.%03d
-	    #define DATE_LEN 24
-	    char time_data[DATE_LEN];
-	public:
-	    DateTime();
-	    virtual ~DateTime();
-	public:
-	    virtual const char* format_time();
-	};
-private:
-    DateTime time;
-    std::map<st_thread_t, int> cache;
-public:
-    LogContext();
-    virtual ~LogContext();
-public:
-    virtual void generate_id();
-    virtual int get_id();
-public:
-    virtual const char* format_time();
-};
-
-ILogContext* log_context = new LogContext();
-
-LogContext::DateTime::DateTime()
+SrsLogContext::DateTime::DateTime()
 {
     memset(time_data, 0, DATE_LEN);
 }
 
-LogContext::DateTime::~DateTime()
+SrsLogContext::DateTime::~DateTime()
 {
 }
 
-const char* LogContext::DateTime::format_time()
+const char* SrsLogContext::DateTime::format_time()
 {
     // clock time
     timeval tv;
@@ -100,27 +56,26 @@ const char* LogContext::DateTime::format_time()
     return time_data;
 }
 
-LogContext::LogContext()
+SrsLogContext::SrsLogContext()
 {
 }
 
-LogContext::~LogContext()
+SrsLogContext::~SrsLogContext()
 {
 }
 
-void LogContext::generate_id()
+void SrsLogContext::generate_id()
 {
 	static int id = 1;
     cache[st_thread_self()] = id++;
 }
 
-int LogContext::get_id()
+int SrsLogContext::get_id()
 {
     return cache[st_thread_self()];
 }
 
-const char* LogContext::format_time()
+const char* SrsLogContext::format_time()
 {
     return time.format_time();
 }
-
diff --git a/trunk/src/app/srs_core_log_context.hpp b/trunk/src/app/srs_core_log_context.hpp
new file mode 100644
index 000000000..8aa740a70
--- /dev/null
+++ b/trunk/src/app/srs_core_log_context.hpp
@@ -0,0 +1,70 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2014 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_LOG_CONTEXT_HPP
+#define SRS_CORE_LOG_CONTEXT_HPP
+
+/*
+#include <srs_core_log_context.hpp>
+*/
+
+#include <srs_core.hpp>
+
+#include <srs_core_st.hpp>
+#include <srs_kernel_log.hpp>
+
+#include <string.h>
+#include <sys/time.h>
+
+#include <string>
+#include <map>
+
+class SrsLogContext : public ILogContext
+{
+private:
+	class DateTime
+	{
+	private:
+	    // %d-%02d-%02d %02d:%02d:%02d.%03d
+	    #define DATE_LEN 24
+	    char time_data[DATE_LEN];
+	public:
+	    DateTime();
+	    virtual ~DateTime();
+	public:
+	    virtual const char* format_time();
+	};
+private:
+    DateTime time;
+    std::map<st_thread_t, int> cache;
+public:
+    SrsLogContext();
+    virtual ~SrsLogContext();
+public:
+    virtual void generate_id();
+    virtual int get_id();
+public:
+    virtual const char* format_time();
+};
+
+#endif
diff --git a/trunk/src/app/srs_core_pithy_print.cpp b/trunk/src/app/srs_core_pithy_print.cpp
index 265071ac4..7f827494e 100644
--- a/trunk/src/app/srs_core_pithy_print.cpp
+++ b/trunk/src/app/srs_core_pithy_print.cpp
@@ -26,7 +26,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <stdlib.h>
 #include <map>
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_config.hpp>
 #include <srs_core_reload.hpp>
 #include <srs_kernel_error.hpp>
diff --git a/trunk/src/app/srs_core_protocol.cpp b/trunk/src/app/srs_core_protocol.cpp
index 56727c962..52f20fe3d 100644
--- a/trunk/src/app/srs_core_protocol.cpp
+++ b/trunk/src/app/srs_core_protocol.cpp
@@ -23,7 +23,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_core_protocol.hpp>
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_amf0.hpp>
 #include <srs_kernel_error.hpp>
 #include <srs_core_socket.hpp>
diff --git a/trunk/src/app/srs_core_protocol.hpp b/trunk/src/app/srs_core_protocol.hpp
index 003b31c11..7aaf83849 100644
--- a/trunk/src/app/srs_core_protocol.hpp
+++ b/trunk/src/app/srs_core_protocol.hpp
@@ -34,7 +34,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <string>
 
 #include <srs_core_st.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 
 // the following is the timeout for rtmp protocol, 
diff --git a/trunk/src/app/srs_core_refer.cpp b/trunk/src/app/srs_core_refer.cpp
index b04572964..e891ef74e 100644
--- a/trunk/src/app/srs_core_refer.cpp
+++ b/trunk/src/app/srs_core_refer.cpp
@@ -24,7 +24,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_core_refer.hpp>
 
 #include <srs_kernel_error.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_config.hpp>
 
 int SrsRefer::check(std::string page_url, SrsConfDirective* refer)
diff --git a/trunk/src/app/srs_core_rtmp.cpp b/trunk/src/app/srs_core_rtmp.cpp
index 06340450a..1b6a67c9e 100644
--- a/trunk/src/app/srs_core_rtmp.cpp
+++ b/trunk/src/app/srs_core_rtmp.cpp
@@ -23,7 +23,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_core_rtmp.hpp>
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 #include <srs_core_socket.hpp>
 #include <srs_core_protocol.hpp>
diff --git a/trunk/src/app/srs_core_server.cpp b/trunk/src/app/srs_core_server.cpp
index 2beb1060a..316f6ff4e 100644
--- a/trunk/src/app/srs_core_server.cpp
+++ b/trunk/src/app/srs_core_server.cpp
@@ -30,7 +30,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <algorithm>
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 #include <srs_core_client.hpp>
 #include <srs_core_config.hpp>
diff --git a/trunk/src/app/srs_core_source.cpp b/trunk/src/app/srs_core_source.cpp
index 0894e37c0..3c95f062c 100644
--- a/trunk/src/app/srs_core_source.cpp
+++ b/trunk/src/app/srs_core_source.cpp
@@ -26,7 +26,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <algorithm>
 using namespace std;
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_core_protocol.hpp>
 #include <srs_core_autofree.hpp>
 #include <srs_core_amf0.hpp>
diff --git a/trunk/src/app/srs_core_stream.cpp b/trunk/src/app/srs_core_stream.cpp
index 7baaa901c..ce534c465 100644
--- a/trunk/src/app/srs_core_stream.cpp
+++ b/trunk/src/app/srs_core_stream.cpp
@@ -23,7 +23,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_core_stream.hpp>
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 
 SrsStream::SrsStream()
diff --git a/trunk/src/app/srs_core_thread.cpp b/trunk/src/app/srs_core_thread.cpp
index ee3626b8a..51ee95530 100644
--- a/trunk/src/app/srs_core_thread.cpp
+++ b/trunk/src/app/srs_core_thread.cpp
@@ -24,7 +24,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_core_thread.hpp>
 
 #include <srs_kernel_error.hpp>
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 
 ISrsThreadHandler::ISrsThreadHandler()
 {
diff --git a/trunk/src/kernel/srs_kernel_log.cpp b/trunk/src/kernel/srs_kernel_log.cpp
new file mode 100644
index 000000000..3b6bd411a
--- /dev/null
+++ b/trunk/src/kernel/srs_kernel_log.cpp
@@ -0,0 +1,33 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2014 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_kernel_log.hpp>
+
+ILogContext::ILogContext()
+{
+}
+
+ILogContext::~ILogContext()
+{
+}
+
diff --git a/trunk/src/app/srs_core_log.hpp b/trunk/src/kernel/srs_kernel_log.hpp
similarity index 99%
rename from trunk/src/app/srs_core_log.hpp
rename to trunk/src/kernel/srs_kernel_log.hpp
index ffeca8ec2..aca42be8d 100644
--- a/trunk/src/app/srs_core_log.hpp
+++ b/trunk/src/kernel/srs_kernel_log.hpp
@@ -25,7 +25,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define SRS_CORE_LOG_HPP
 
 /*
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 */
 
 #include <srs_core.hpp>
diff --git a/trunk/src/main/srs_main_server.cpp b/trunk/src/main/srs_main_server.cpp
index 6d98cc840..2b793ccd2 100644
--- a/trunk/src/main/srs_main_server.cpp
+++ b/trunk/src/main/srs_main_server.cpp
@@ -21,7 +21,7 @@ IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#include <srs_core_log.hpp>
+#include <srs_kernel_log.hpp>
 #include <srs_kernel_error.hpp>
 #include <srs_core_server.hpp>
 #include <srs_core_config.hpp>
diff --git a/trunk/src/srs/srs.upp b/trunk/src/srs/srs.upp
index bbe313879..290fa33e7 100755
--- a/trunk/src/srs/srs.upp
+++ b/trunk/src/srs/srs.upp
@@ -12,6 +12,8 @@ file
     kernel readonly separator,
     ..\kernel\srs_kernel_error.hpp,
     ..\kernel\srs_kernel_error.cpp,
+    ..\kernel\srs_kernel_log.hpp,
+    ..\kernel\srs_kernel_log.cpp,
     app readonly separator,
     ..\app\srs_core_amf0.hpp,
     ..\app\srs_core_amf0.cpp,
@@ -37,8 +39,8 @@ file
     ..\app\srs_core_hls.cpp,
     ..\app\srs_core_http.hpp,
     ..\app\srs_core_http.cpp,
-    ..\app\srs_core_log.hpp,
-    ..\app\srs_core_log.cpp,
+    ..\app\srs_core_log_context.hpp,
+    ..\app\srs_core_log_context.cpp,
     ..\app\srs_core_pithy_print.hpp,
     ..\app\srs_core_pithy_print.cpp,
     ..\app\srs_core_protocol.hpp,