diff --git a/src/inc_internal/maat_group.h b/src/inc_internal/maat_group.h
index b693d33..ae87fd3 100644
--- a/src/inc_internal/maat_group.h
+++ b/src/inc_internal/maat_group.h
@@ -23,6 +23,7 @@ extern "C"
 #include "maat_table.h"
 
 struct maat_group;
+struct group2group_runtime;
 
 /* group2group schema API */
 void *group2group_schema_new(cJSON *json, struct table_manager *tbl_mgr, 
@@ -35,8 +36,8 @@ void *group2group_runtime_new(void *g2g_schema, int max_thread_num,
                               struct log_handle *logger);
 void group2group_runtime_free(void *g2g_runtime);
 
-void maat_group_ref_inc(struct maat_group *group);
-void maat_group_ref_dec(struct maat_group *group);
+void maat_group_ref_inc(struct group2group_runtime *g2g_rt, struct maat_group *group);
+void maat_group_ref_dec(struct group2group_runtime *g2g_rt, struct maat_group *group);
 
 struct maat_group *group2group_runtime_add_group(void *g2g_runtime, long long group_id);
 void group2group_runtime_remove_group(void *g2g_runtime, struct maat_group *group);
diff --git a/src/maat_api.c b/src/maat_api.c
index 6d6399f..60eae45 100644
--- a/src/maat_api.c
+++ b/src/maat_api.c
@@ -265,7 +265,6 @@ void maat_read_full_config(struct maat *maat_instance)
                 log_error(maat_instance->logger, MODULE_MAAT_API, 
                           "[%s:%d] Maat re-initiate with JSON file %s failed: %s", 
                           __FUNCTION__, __LINE__, maat_instance->json_ctx.json_file, err_str);
-                return -1;
             }
             
             config_monitor_traverse(maat_instance->maat_version,
diff --git a/src/maat_compile.c b/src/maat_compile.c
index b0fd4f7..20e08c0 100644
--- a/src/maat_compile.c
+++ b/src/maat_compile.c
@@ -1777,7 +1777,7 @@ int group2compile_runtime_update(void *g2c_runtime, void *g2c_schema,
             if (g2c_item->not_flag) {
                 g2c_rt->not_flag_group--;
             }
-            maat_group_ref_dec(group);
+            maat_group_ref_dec(g2g_rt, group);
             g2c_rt->rule_num--;
         }
     } else {
@@ -1792,7 +1792,7 @@ int group2compile_runtime_update(void *g2c_runtime, void *g2c_schema,
             if (g2c_item->not_flag) {
                 g2c_rt->not_flag_group++;
             }
-            maat_group_ref_inc(group);
+            maat_group_ref_inc(g2g_rt, group);
             g2c_rt->rule_num++;
         }
     }
diff --git a/src/maat_group.c b/src/maat_group.c
index 2719b6d..c4f6546 100644
--- a/src/maat_group.c
+++ b/src/maat_group.c
@@ -62,6 +62,7 @@ struct group2group_runtime {
     long long version;
 	long long rule_num;
 
+    int updating_flag;
     pthread_rwlock_t rwlock;
     struct maat_garbage_bin *ref_garbage_bin;
     struct log_handle *logger;
@@ -194,14 +195,20 @@ void group2group_runtime_free(void *g2g_runtime)
     FREE(g2g_rt);
 }
 
-void maat_group_ref_inc(struct maat_group *group)
+void maat_group_ref_inc(struct group2group_runtime *g2g_rt, struct maat_group *group)
 {
+    pthread_rwlock_wrlock(&(g2g_rt->rwlock));
+    g2g_rt->updating_flag = 1;
     group->ref_by_compile_cnt++;
+    pthread_rwlock_unlock(&(g2g_rt->rwlock));
 }
 
-void maat_group_ref_dec(struct maat_group *group)
+void maat_group_ref_dec(struct group2group_runtime *g2g_rt, struct maat_group *group)
 {
+    pthread_rwlock_wrlock(&(g2g_rt->rwlock));
+    g2g_rt->updating_flag = 1;
     group->ref_by_compile_cnt--;
+    pthread_rwlock_unlock(&(g2g_rt->rwlock));
 }
 
 struct group2group_item *
@@ -273,6 +280,7 @@ struct maat_group *_group2group_runtime_add_group(void *g2g_runtime, long long g
 	
 	HASH_ADD(hh_group_id, group_topo->hash_group_by_id, group_id, sizeof(group->group_id), group);
 	HASH_ADD(hh_vertex_id, group_topo->hash_group_by_vertex, vertex_id, sizeof(group->vertex_id), group);
+    g2g_rt->updating_flag = 1;
     if (1 == lock_flag) {
         pthread_rwlock_unlock(&(g2g_rt->rwlock));
     }
@@ -322,6 +330,7 @@ void _group2group_runtime_remove_group(void *g2g_runtime, struct maat_group *gro
 	HASH_DELETE(hh_vertex_id, group_topo->hash_group_by_vertex, group);
 
 	group_vertex_free(group);
+    g2g_rt->updating_flag = 1;
     if (1 == lock_flag) {
         pthread_rwlock_unlock(&(g2g_rt->rwlock));
     }
@@ -412,6 +421,7 @@ int group2group_runtime_add_group_to_group(void *g2g_runtime, long long group_id
 		ret = 0;
 	}
 	
+    g2g_rt->updating_flag = 1;
     pthread_rwlock_unlock(&(g2g_rt->rwlock));
 	return ret;
 }
@@ -474,6 +484,7 @@ int group2group_runtime_remove_group_from_group(void *g2g_runtime, long long gro
 
 	group->ref_by_super_group_cnt--;
 	super_group->ref_by_sub_group_cnt--;
+    g2g_rt->updating_flag = 1;
     pthread_rwlock_unlock(&(g2g_rt->rwlock));
 
 	return 0;
@@ -578,7 +589,7 @@ int group2group_runtime_build_top_groups(void *g2g_runtime, long long maat_rt_ve
 	}	
 	igraph_vector_destroy(&group_topo->dfs_vids);
     g2g_rt->version = maat_rt_version;
-
+    g2g_rt->updating_flag = 0;
     pthread_rwlock_unlock(&(g2g_rt->rwlock));
 
 	return 0;
@@ -634,6 +645,10 @@ int group2group_runtime_commit(void *g2g_runtime, const char *table_name, long l
 	}
 
     struct group2group_runtime *g2g_rt = (struct group2group_runtime *)g2g_runtime;
+    if (0 == g2g_rt->updating_flag) {
+        return 0;
+    }
+
     int ret = group2group_runtime_build_top_groups(g2g_runtime, maat_rt_version);
     if (ret < 0) {
         log_error(g2g_rt->logger, MODULE_GROUP, 
diff --git a/src/rcu_hash.c b/src/rcu_hash.c
index af32d90..5ae6c3e 100644
--- a/src/rcu_hash.c
+++ b/src/rcu_hash.c
@@ -50,7 +50,7 @@ struct rcu_hash_node {
     struct rcu_hash_table *htable;
 
     UT_hash_handle hh_a;
-    UT_hash_handle hh_b;   
+    UT_hash_handle hh_b;
 };
 
 void rcu_hash_garbage_queue_free(struct rcu_hash_garbage_q *garbage_q)
diff --git a/test/maat_framework_gtest.cpp b/test/maat_framework_gtest.cpp
index dddaf5c..4dbffa8 100644
--- a/test/maat_framework_gtest.cpp
+++ b/test/maat_framework_gtest.cpp
@@ -374,8 +374,6 @@ struct maat *MaatIris::_shared_maat_instance;
 struct log_handle *MaatIris::logger;
 
 TEST_F(MaatIris, basic) {
-     const char *app_id_table_name = "TSG_OBJ_APP_ID";
-     const char *ip_table_name = "TSG_SECURITY_SOURCE_ADDR";
     struct maat *maat_instance = MaatIris::_shared_maat_instance;
     struct log_handle *logger = MaatIris::logger;
 
@@ -384,21 +382,36 @@ TEST_F(MaatIris, basic) {
     int thread_id = 0;
     struct maat_state *state = maat_state_new(maat_instance, thread_id);
 
-    int table_id = maat_get_table_id(maat_instance, app_id_table_name);
-    int ret = maat_scan_integer(maat_instance, table_id, 32, results, ARRAY_SIZE, &n_hit_result, state);
-    EXPECT_EQ(ret, MAAT_SCAN_HALF_HIT);
-    
-    uint32_t ip_addr;
-    inet_pton(AF_INET, "192.168.64.25", &ip_addr);
-    uint16_t port = htons(100);
+    uint32_t sip_addr;
+    uint32_t dip_addr;
+    inet_pton(AF_INET, "192.168.64.25", &sip_addr);
+    inet_pton(AF_INET, "114.114.114.114", &dip_addr);
+    uint16_t sport = htons(58309);
+    uint16_t dport = htons(53);
 
-    table_id = maat_get_table_id(maat_instance, ip_table_name);
+    int table_id = maat_get_table_id(maat_instance, "TSG_SECURITY_SOURCE_ADDR");
     ASSERT_GT(table_id, 0);
-    ret = maat_scan_ipv4(maat_instance, table_id, ip_addr, port, 6,
+    int ret = maat_scan_ipv4(maat_instance, table_id, sip_addr, sport, 6,
+                               results, ARRAY_SIZE, &n_hit_result, state);
+    EXPECT_EQ(ret, MAAT_SCAN_HALF_HIT);
+
+    ret = maat_scan_ipv4(maat_instance, table_id, dip_addr, dport, 6,
+                               results, ARRAY_SIZE, &n_hit_result, state);
+    EXPECT_EQ(ret, MAAT_SCAN_HALF_HIT);
+
+    table_id = maat_get_table_id(maat_instance, "TSG_SECURITY_DESTINATION_ADDR");
+    ASSERT_GT(table_id, 0);
+
+    ret = maat_scan_ipv4(maat_instance, table_id, sip_addr, sport, 6,
+                               results, ARRAY_SIZE, &n_hit_result, state);
+    EXPECT_EQ(ret, MAAT_SCAN_HALF_HIT);
+
+    ret = maat_scan_ipv4(maat_instance, table_id, dip_addr, dport, 6,
                                results, ARRAY_SIZE, &n_hit_result, state);
     EXPECT_EQ(ret, MAAT_SCAN_HIT);
-    EXPECT_EQ(n_hit_result, 1);
-    EXPECT_EQ(results[0], 1054275);
+
+    table_id = maat_get_table_id(maat_instance, "TSG_SECURITY_SOURCE_LOCATION");
+    ASSERT_GT(table_id, 0);
 
     maat_state_free(state);
 }