diff --git a/CMakeLists.txt b/CMakeLists.txt
index f59b2a1..a9a7f01 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 2.8...3.10)
 
 set(lib_name tsg_master)
 project(${lib_name})
diff --git a/ctest/CMakeLists.txt b/ctest/CMakeLists.txt
index c784609..5f482e9 100644
--- a/ctest/CMakeLists.txt
+++ b/ctest/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8)
+cmake_minimum_required (VERSION 2.8...3.10)
 
 project(sapp_ctest)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7a9857e..d48f4a5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 2.8...3.10)
 
 add_definitions(-fPIC)
 
diff --git a/src/tsg_entry.cpp b/src/tsg_entry.cpp
index 201997d..31dca52 100644
--- a/src/tsg_entry.cpp
+++ b/src/tsg_entry.cpp
@@ -35,6 +35,7 @@
 #include "tsg_sync_state.h"
 #include "tsg_proxy.h"
 #include "tsg_bridge.h"
+#include "uthash.h"
 
 #ifdef __cplusplus
 extern "C"
@@ -540,6 +541,24 @@ static int l7_protocol_mapper_init(const char *conffile)
 	return 1;
 }
 
+static void free_l7_protocol_mapper()
+{
+
+	struct l7_protocol *out=NULL, *tmp=NULL;
+	HASH_CLEAR(hh2, g_tsg_para.id_by_name);
+	HASH_ITER(hh1, g_tsg_para.name_by_id, out ,tmp)
+	{		
+		if(out!=NULL)
+		{
+			HASH_DELETE(hh1, g_tsg_para.name_by_id, out);
+			free(out);
+			out=NULL;
+		}
+	}
+	
+
+}
+
 static int srt_process_context_set_l7_protocol(struct session_runtime_process_context *srt_process_context, unsigned int app_id)
 {
 	const char *l7_protocol_name=tsg_l7_protocol_id2name(app_id);
@@ -2620,5 +2639,20 @@ extern "C" int TSG_MASTER_INIT()
 
 extern "C" int TSG_MASTER_UNLOAD()
 {
+
+		
+	g_tsg_maat_feather=NULL;
+
+
+	tsg_sendlog_destroy(g_tsg_log_instance);
+	tsg_metric_destroy();
+
+	free_l7_protocol_mapper();
+
+	tsg_maat_rule_destroy();
+
+	tsg_gtp_signaling_hash_destroy();
+	MESA_destroy_runtime_log_handle(g_tsg_para.logger);
+	g_tsg_para.logger = NULL;
 	return 0;
 }
diff --git a/src/tsg_entry.h b/src/tsg_entry.h
index 03780c8..cf1fd88 100644
--- a/src/tsg_entry.h
+++ b/src/tsg_entry.h
@@ -174,7 +174,7 @@ int tsg_metric_init(const char *conffile, void *logger);
 void tsg_metric_destroy(void);
 
 int tsg_gtp_signaling_hash_init(const char* conffile, void *logger);
-
+void tsg_gtp_signaling_hash_destroy();
 char *session_l4_protocol_label_update(const struct streaminfo *a_stream);
 int session_application_full_path_update(const struct streaminfo *a_stream, char *app_full_path, int app_full_path_len);
 
diff --git a/src/tsg_gtp_signaling.cpp b/src/tsg_gtp_signaling.cpp
index c39865f..50bf3a7 100644
--- a/src/tsg_gtp_signaling.cpp
+++ b/src/tsg_gtp_signaling.cpp
@@ -222,6 +222,13 @@ int session_runtine_attribute_get_umts_user_info(const struct streaminfo *a_stre
 	return 0;
 }
 
+void tsg_gtp_signaling_hash_destroy()
+{
+	if(g_gtp_signaling_hash_handle == NULL)return;
+	MESA_htable_destroy(g_gtp_signaling_hash_handle, free_gtp_signaling_field);
+	g_gtp_signaling_hash_handle=NULL;
+}
+
 int tsg_gtp_signaling_hash_init(const char* conffile, void *logger)
 {
 	MESA_load_profile_int_def(conffile, "GTP_SIGNALING", "HASH_TIMEOUT", &g_tsg_para.hash_timeout, 300);
diff --git a/src/tsg_rule.cpp b/src/tsg_rule.cpp
index 1c43ae7..f0f2f30 100644
--- a/src/tsg_rule.cpp
+++ b/src/tsg_rule.cpp
@@ -1979,6 +1979,13 @@ struct maat *init_maat_feather(const char* conffile, char* instance_name, char *
 	return maat_new(opts, table_info);
 }
 
+void tsg_maat_rule_destroy(void)
+{
+	maat_free(g_tsg_maat_feather);	
+	MESA_destroy_runtime_log_handle(g_tsg_maat_rt_para.logger);
+	g_tsg_maat_rt_para.logger = NULL;	
+}
+
 int tsg_maat_rule_init(const char* conffile)
 {
 	int log_level=30;
diff --git a/src/tsg_rule_internal.h b/src/tsg_rule_internal.h
index 0b609d7..3011b5a 100644
--- a/src/tsg_rule_internal.h
+++ b/src/tsg_rule_internal.h
@@ -123,6 +123,7 @@ struct maat_compile
 };
 
 int tsg_maat_rule_init(const char *conffile);
+void tsg_maat_rule_destroy(void);
 
 void plugin_ex_data_gtp_c_free(struct umts_user_info *user_info);
 void plugin_ex_data_asn_number_free(struct asn_info *asn);
diff --git a/test/src/CMakeLists.txt b/test/src/CMakeLists.txt
index c30b649..2a25309 100644
--- a/test/src/CMakeLists.txt
+++ b/test/src/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 2.8...3.10)
 
 include_directories(${CMAKE_SOURCE_DIR}/inc)
 include_directories(/opt/MESA/include/MESA/)