diff --git a/hgdriver/wrapper/hg_log.cpp b/hgdriver/wrapper/hg_log.cpp
index 4606f3f..3cfd24c 100644
--- a/hgdriver/wrapper/hg_log.cpp
+++ b/hgdriver/wrapper/hg_log.cpp
@@ -28,7 +28,7 @@
 #include <algorithm>
 #include <mutex>
 #include "ini_file.h"
-#define VMRSS_LINE 21 //实际物理内存使用率
+#define VMRSS_LINE 21 //实际物理内存使用�?
 #define MAX_LOG_FILE_SIZE	10 * 1024 * 1024
 #ifdef _INTSIZEOF
 #undef _INTSIZEOF
@@ -121,6 +121,14 @@ public:
 
 		return log_cls::inst_;
 	}
+	static void clear(void)
+	{
+		if (log_cls::inst_)
+		{
+			delete log_cls::inst_;
+			log_cls::inst_ = nullptr;
+		}
+	}
 
 	int set_log_type(int type, void* param)
 	{
@@ -730,6 +738,7 @@ extern "C"
 			std::string now(log_cls::g_time_tag + hg_log::current_time() + log_cls::g_time_tag + " exited.\n");
 			log(now.c_str());
 			log((log_divider + "\n\n\n\n").c_str());
+			log_cls::clear();
 		}
 		void log(int level, const char* info)
 		{