diff --git a/src/entry/Maat_rule.cpp b/src/entry/Maat_rule.cpp
index 6d54746..e6c30e1 100644
--- a/src/entry/Maat_rule.cpp
+++ b/src/entry/Maat_rule.cpp
@@ -34,7 +34,7 @@
 #include "stream_fuzzy_hash.h"
 #include "gram_index_engine.h"
 
-int MAAT_FRAME_VERSION_3_0_20200822=1;
+int MAAT_FRAME_VERSION_3_0_20200917=1;
 
 int is_valid_table_name(const char* str)
 {
@@ -2309,11 +2309,14 @@ void do_scanner_update(struct Maat_scanner* scanner, int scan_thread_num, void*
 				}
 				break;
 			case TABLE_TYPE_IP_PLUGIN:
-				Maat_table_runtime_ip_plugin_build_new_ip_matcher(table_rt);
-				old_ip_matcher=Maat_table_runtime_apply_new_ip_matcher(table_rt);
-				if(old_ip_matcher)
+				ret=Maat_table_runtime_ip_plugin_build_new_ip_matcher(table_rt);
+				if(ret)
 				{
-					Maat_garbage_bagging(scanner->ref_garbage_bin, old_ip_matcher, (void (*)(void*))ip_matcher_free);
+					old_ip_matcher=Maat_table_runtime_apply_new_ip_matcher(table_rt);
+					if(old_ip_matcher)
+					{
+						Maat_garbage_bagging(scanner->ref_garbage_bin, old_ip_matcher, (void (*)(void*))ip_matcher_free);
+					}
 				}
 				break;
 			default:
diff --git a/src/entry/Maat_table_runtime.cpp b/src/entry/Maat_table_runtime.cpp
index 75a5265..fe0c574 100644
--- a/src/entry/Maat_table_runtime.cpp
+++ b/src/entry/Maat_table_runtime.cpp
@@ -457,7 +457,7 @@ int Maat_table_runtime_ip_plugin_build_new_ip_matcher(struct Maat_table_runtime*
 	free(exc_array);
 	exc_array=NULL;
 	ip_plugin->changed_flag=0;
-	return 0;
+	return 1;
 }
 struct ip_matcher* Maat_table_runtime_apply_new_ip_matcher(struct Maat_table_runtime* table_rt)
 {