diff --git a/src/views/device/Instance/Detail/MetadataMap/index.vue b/src/views/device/Instance/Detail/MetadataMap/index.vue
index ad60c210..bc75a5d5 100644
--- a/src/views/device/Instance/Detail/MetadataMap/index.vue
+++ b/src/views/device/Instance/Detail/MetadataMap/index.vue
@@ -358,7 +358,7 @@ onMounted(() => {
 });
 
 onUnmounted(() => {
-    if (_delTag.value) {
+    if (_delTag.value && dataSourceCache.value) {
         // 保存数据
         const arr = dataSourceCache.value.filter((i: any) => i?.original).map((item: any) => {
             return {
diff --git a/src/views/device/Product/Detail/MetadataMap/index.vue b/src/views/device/Product/Detail/MetadataMap/index.vue
index 4c8d4257..dc37b576 100644
--- a/src/views/device/Product/Detail/MetadataMap/index.vue
+++ b/src/views/device/Product/Detail/MetadataMap/index.vue
@@ -354,7 +354,7 @@ onMounted(() => {
 });
 
 onUnmounted(() => {
-    if (_delTag.value) {
+    if (_delTag.value && dataSourceCache.value.length) {
         // 保存数据
         const arr = dataSourceCache.value.filter((i: any) => i?.plugin).map((item: any) => {
             return {