diff --git a/src/utils/request.ts b/src/utils/request.ts
index 9682b8197f727680c910182bae94f3a632a18bb1..00f43659bf38d884d4e0e3327cdbe1ec057017da 100644
--- a/src/utils/request.ts
+++ b/src/utils/request.ts
@@ -174,18 +174,26 @@ service.interceptors.response.use(
   }
 );
 // 通用下载方法
-export function download(url: string, params: any, fileName: string) {
+export function download(url: string, params: any, fileName: string, isJson: boolean = false) {
   downloadLoadingInstance = ElLoading.service({ text: '正在下载数据，请稍候', background: 'rgba(0, 0, 0, 0.7)' });
-  // prettier-ignore
-  return service.post(url, params, {
-      transformRequest: [
+
+  const config = {
+    headers: {
+      'Content-Type': isJson ? 'application/json' : 'application/x-www-form-urlencoded'
+    },
+    responseType: 'blob' as const,
+    transformRequest: isJson
+      ? undefined
+      : [
         (params: any) => {
           return tansParams(params);
         }
-      ],
-      headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
-      responseType: 'blob'
-    }).then(async (resp: any) => {
+      ]
+  };
+
+  // prettier-ignore
+  return service.post(url, isJson ? params : tansParams(params), config)
+    .then(async (resp: any) => {
       const isLogin = blobValidate(resp);
       if (isLogin) {
         const blob = new Blob([resp]);