diff --git a/package.json b/package.json
index ffc1030..c70d33c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@bytedo/fetch",
-  "version": "2.1.3",
+  "version": "2.1.5",
   "description": "全新的ajax封装。分2个版本, 一个基于XMLHttpRequest, 一个基于window.fetch",
   "main": "dist/index.js",
   "files": [
diff --git a/src/index.js b/src/index.js
index 5d59ca6..bb24e2b 100644
--- a/src/index.js
+++ b/src/index.js
@@ -182,7 +182,7 @@ class _Request {
         options.url += (~options.url.indexOf('?') ? '&' : '?') + '_t_=' + Date.now()
       }
     } else {
-      if (!hasAttach) {
+      if (options.body && !hasAttach) {
         if (~options.headers['content-type'].indexOf('json')) {
           params = JSON.stringify(params)
         } else {
diff --git a/src/next.js b/src/next.js
index f7a4bfa..2d89735 100644
--- a/src/next.js
+++ b/src/next.js
@@ -142,7 +142,7 @@ class _Request {
       }
       delete options.body
     } else {
-      if (!hasAttach) {
+      if (options.body && !hasAttach) {
         if (~options.headers['content-type'].indexOf('json')) {
           options.body = JSON.stringify(options.body)
         } else {