diff --git a/jeecgboot-vue3/src/api/common/api.ts b/jeecgboot-vue3/src/api/common/api.ts
index 47d5cfbb..c1c35308 100644
--- a/jeecgboot-vue3/src/api/common/api.ts
+++ b/jeecgboot-vue3/src/api/common/api.ts
@@ -112,8 +112,8 @@ export const downloadFile = (url, fileName?, parameter?) => {
     if (typeof window.navigator.msSaveBlob !== 'undefined') {
       window.navigator.msSaveBlob(new Blob([data]), fileName);
     } else {
-      let url = window.URL.createObjectURL(new Blob([data]));
-      let link = document.createElement('a');
+      const url = window.URL.createObjectURL(new Blob([data]));
+      const link = document.createElement('a');
       link.style.display = 'none';
       link.href = url;
       link.setAttribute('download', fileName);
diff --git a/jeecgboot-vue3/types/global.d.ts b/jeecgboot-vue3/types/global.d.ts
index 51487325..13607fc0 100644
--- a/jeecgboot-vue3/types/global.d.ts
+++ b/jeecgboot-vue3/types/global.d.ts
@@ -80,6 +80,11 @@ declare global {
       [elem: string]: any;
     }
   }
+
+  interface Navigator {
+    // fix:msSaveBlob dose exist on type Navigator
+    msSaveBlob?: (blob: any, defaultName?: string) => boolean;
+  }
 }
 
 declare module 'vue' {