diff --git a/dmtree/tr181/interfacestack.c b/dmtree/tr181/interfacestack.c
index 11dae621..a9db88c8 100644
--- a/dmtree/tr181/interfacestack.c
+++ b/dmtree/tr181/interfacestack.c
@@ -36,6 +36,21 @@ static char *get_instance_by_section(int mode, char *dmmap_config, char *section
 	return instance;
 }
 
+static char *get_instance_by_section_option_condition(int mode, char *dmmap_config, char *section, struct uci_section *s, char *option, char *value, char *instance_option, char *alias_option)
+{
+	struct uci_section *dmmap_section;
+	char *instance = "";
+
+	get_dmmap_section_of_config_section_cont(dmmap_config, section, option, value, &dmmap_section);
+
+	if (mode == INSTANCE_MODE_NUMBER)
+		dmuci_get_value_by_section_string(dmmap_section, instance_option, &instance);
+	else
+		dmuci_get_value_by_section_string(dmmap_section, alias_option, &instance);
+
+	return instance;
+}
+
 static char *get_alias_by_section(char *dmmap_config, char *section, struct uci_section *s, char *alias_option)
 {
 	struct uci_section *dmmap_section;
@@ -126,7 +141,7 @@ int browseInterfaceStackInst(struct dmctx *dmctx, DMNODE *parent_node, void *pre
 				if (vid) *vid = '\0';
 				adm_entry_get_linker_param(dmctx, dm_print_path("%s%cEthernet%cLink%c", dmroot, dm_delim, dm_delim, dm_delim), linker, &value);
 				loweralias = get_alias_by_section("dmmap", "link", s, "link_alias");
-				layer_inst = get_instance_by_section(dmctx->instance_mode, "dmmap", "link", s, "section_name", section_name(s), "link_instance", "link_alias");
+				layer_inst = get_instance_by_section_option_condition(dmctx->instance_mode, "dmmap", "link", s, "section_name", section_name(s), "link_instance", "link_alias");
 				if (value == NULL)
 					value = "";
 			}
@@ -201,7 +216,7 @@ int browseInterfaceStackInst(struct dmctx *dmctx, DMNODE *parent_node, void *pre
 			if (vid) *vid = '\0';
 			adm_entry_get_linker_param(dmctx, dm_print_path("%s%cEthernet%cLink%c", dmroot, dm_delim, dm_delim, dm_delim), linker, &value);
 			loweralias = get_alias_by_section("dmmap", "link", s, "link_alias");
-			layer_inst = get_instance_by_section(dmctx->instance_mode, "dmmap", "link", s, "section_name", section_name(s), "link_instance", "link_alias");
+			layer_inst = get_instance_by_section_option_condition(dmctx->instance_mode, "dmmap", "link", s, "section_name", section_name(s), "link_instance", "link_alias");
 			if (value == NULL)
 				value = "";
 		}
diff --git a/libbbf_api/dmcommon.c b/libbbf_api/dmcommon.c
index 78e64fc9..d9bbb8b1 100644
--- a/libbbf_api/dmcommon.c
+++ b/libbbf_api/dmcommon.c
@@ -819,6 +819,17 @@ void get_dmmap_section_of_config_section_eq(char* dmmap_package, char* section_t
 	*dmmap_section = NULL;
 }
 
+void get_dmmap_section_of_config_section_cont(char* dmmap_package, char* section_type, char *opt, char* value, struct uci_section **dmmap_section)
+{
+	struct uci_section* s;
+
+	uci_path_foreach_option_cont(bbfdm, dmmap_package, section_type, opt, value, s) {
+		*dmmap_section = s;
+		return;
+	}
+	*dmmap_section = NULL;
+}
+
 void get_config_section_of_dmmap_section(char* package, char* section_type, char *section_name, struct uci_section **config_section)
 {
 	struct uci_section* s;