diff --git a/src/sf_connection_manager.c b/src/sf_connection_manager.c
index 19931aa..4d9e50b 100644
--- a/src/sf_connection_manager.c
+++ b/src/sf_connection_manager.c
@@ -822,7 +822,7 @@ static void *connection_manager_thread_func(void *arg)
 #endif
 
     cm = (SFConnectionManager *)arg;
-    logInfo("file: "__FILE__", line: %d, "
+    logDebug("file: "__FILE__", line: %d, "
             "[%s] connection manager thread start",
             __LINE__, cm->module_name);
 
diff --git a/src/sf_sharding_htable.h b/src/sf_sharding_htable.h
index 5fde4f8..c0a2aa6 100644
--- a/src/sf_sharding_htable.h
+++ b/src/sf_sharding_htable.h
@@ -18,7 +18,6 @@
 
 #include <limits.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 #include "fastcommon/common_define.h"
 #include "fastcommon/fc_list.h"
 #include "fastcommon/pthread_func.h"