diff --git a/package.json b/package.json
index 152ef9f..beb00c7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "noob-mengyxu",
-    "version": "0.4.8",
+    "version": "0.4.9",
     "main": "index.ts",
     "module": "index.ts",
     "keywords": [
diff --git a/plugs/api/base.ts b/plugs/api/base.ts
index 673ba6c..871e08d 100644
--- a/plugs/api/base.ts
+++ b/plugs/api/base.ts
@@ -101,32 +101,42 @@ export const deleteById = (url, id) => {
 };
 
 export const size = 10000;
-export const exportCrv = (url, fileName, head, formatter, param?, content?) => {
-  if (!content) {
-    content = [head + '\r\n'];
-  }
-  if (!param) {
-    param = { page: 1, size: size };
-  }
-  queryPage(url, param, true).then((rsp: any) => {
-    if (!rsp || rsp.length == 0) {
-      write(fileName, content);
-      return;
+export const exportCsv = (url, head, formatter, param?, content?) => {
+  return new Promise((resolve) => {
+    if (!content) {
+      content = [];
+      head && content.push(head);
     }
-    rsp.data.forEach((net) => {
-      content.push(formatter(net) + '\r\n');
-    });
-    if (rsp.data.length < size) {
-      write(fileName, content);
-    } else {
-      param.page = param.page + 1;
-      exportCrv(url, fileName, head, formatter, param, content);
+    if (!param) {
+      param = { page: 1, size: size };
     }
+    queryPage(url, param, true, true).then((rsp: any) => {
+      debugger;
+      if (!rsp || rsp.data.length == 0) {
+        resolve(content.join('\r\n'));
+        return;
+      }
+      rsp.data.forEach((net) => {
+        content.push(formatter(net));
+      });
+      if (rsp.data.length < param.size) {
+        resolve(content.join('\r\n'));
+      } else {
+        param.page = param.page + 1;
+        exportCsv(url, head, formatter, param, content).then(resolve);
+      }
+    });
   });
 };
-const write = (name, content) => {
+export const downloadText = (name, text) => {
+  downloadFile(name, 'data:text/plain;charset=utf-8,' + encodeURIComponent(text));
+};
+export const downloadBlob = (name, blob) => {
+  downloadFile(name, URL.createObjectURL(blob));
+};
+export const downloadFile = (name, href) => {
   var element = document.createElement('a');
-  element.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(content.join('')));
+  element.setAttribute('href', href);
   element.setAttribute('download', name);
   element.style.display = 'none';
   document.body.appendChild(element);
diff --git a/plugs/http/axios.ts b/plugs/http/axios.ts
index a4d30f2..65f60bc 100644
--- a/plugs/http/axios.ts
+++ b/plugs/http/axios.ts
@@ -12,7 +12,7 @@ const config = {
   withCredentials: true, // Check cross-site Access-Control
 };
 
-const _axios = axios.create(config);
+export const _axios = axios.create(config);
 _axios.defaults.headers.post['Content-Type'] = 'application/json;charset=UTF-8';
 _axios.defaults.headers.put['Content-Type'] = 'application/json;charset=UTF-8';
 _axios.defaults.headers.delete['Content-Type'] = 'application/json;charset=UTF-8';
diff --git a/plugs/http/axios2.ts b/plugs/http/axios2.ts
index 5c3e417..297aae2 100644
--- a/plugs/http/axios2.ts
+++ b/plugs/http/axios2.ts
@@ -10,7 +10,7 @@ const config = {
   withCredentials: true, // Check cross-site Access-Control
 };
 
-const _axios = axios.create(config);
+export const _axios = axios.create(config);
 _axios.defaults.headers.post['Content-Type'] = 'application/json;charset=UTF-8';
 _axios.defaults.headers.put['Content-Type'] = 'application/json;charset=UTF-8';
 _axios.defaults.headers.delete['Content-Type'] = 'application/json;charset=UTF-8';