diff --git a/src/entry/Maat_hierarchy.cpp b/src/entry/Maat_hierarchy.cpp
index 7965a66..33cfaf9 100644
--- a/src/entry/Maat_hierarchy.cpp
+++ b/src/entry/Maat_hierarchy.cpp
@@ -775,6 +775,12 @@ static struct bool_matcher* Maat_hierarchy_build_bool_matcher(struct Maat_hierar
 
 	//STEP 3, serial clause states to a bool expression array.
 	compile_num=HASH_COUNT(hier->hash_compile_by_id);
+	if(compile_num==0)
+	{
+		MESA_handle_runtime_log(hier->logger, RLOG_LV_FATAL, module_maat_hierarchy,
+								"No compile to build.");
+		return NULL;
+	}
 	bool_expr_array=ALLOC(struct bool_expr, compile_num);
 	HASH_ITER(hh, hier->hash_compile_by_id, compile, tmp_compile)
 	{
@@ -806,7 +812,7 @@ static struct bool_matcher* Maat_hierarchy_build_bool_matcher(struct Maat_hierar
 	if(expr_cnt==0)
 	{
 		MESA_handle_runtime_log(hier->logger, RLOG_LV_FATAL, module_maat_hierarchy,
-								"No expr to build.");
+								"No bool expression to build.");
 		return NULL;
 	}
 	bm=bool_matcher_new(bool_expr_array, expr_cnt, hier->thread_num, &mem_size);
diff --git a/src/entry/Maat_rule.cpp b/src/entry/Maat_rule.cpp
index 4050885..da4cd19 100644
--- a/src/entry/Maat_rule.cpp
+++ b/src/entry/Maat_rule.cpp
@@ -56,7 +56,7 @@ extern "C"
 }
 #endif
 
-int MAAT_FRAME_VERSION_3_0_20200927=1;
+int MAAT_FRAME_VERSION_3_0_20201019=1;
 
 int is_valid_table_name(const char* str)
 {
diff --git a/src/entry/Maat_table_runtime.cpp b/src/entry/Maat_table_runtime.cpp
index 292c3e2..6928371 100644
--- a/src/entry/Maat_table_runtime.cpp
+++ b/src/entry/Maat_table_runtime.cpp
@@ -469,11 +469,10 @@ void Maat_table_runtime_fqdn_plugin_new_row(struct Maat_table_runtime* table_rt,
 									fqdn_plugin_schema->fqdn_column, row);
 			return;
 		}
-		fqdn_rule=fqdn_rule_new((unsigned int)atoi(row+row_id_offset), row+fqdn_offset, fqdn_len, atoi(row+is_suffix_flag_offset));
 		
 		if(atoi(row+is_valid_offset)==1)//add
 		{
-			
+			fqdn_rule=fqdn_rule_new((unsigned int)atoi(row+row_id_offset), row+fqdn_offset, fqdn_len, atoi(row+is_suffix_flag_offset));
 			EX_data_rt_row2EX_data(fqdn_plugin_rt->ex_data_rt, row, row+row_id_offset, row_id_len, fqdn_rule, logger);
 		}
 		else