diff --git a/public/js/client/client.js b/public/js/client/client.js
index 6805211..1835422 100644
--- a/public/js/client/client.js
+++ b/public/js/client/client.js
@@ -126,6 +126,14 @@ $(function(){
             chunk_size: '4mb',                  // 分块上传时，每块的体积
             auto_start: true,                   // 选择文件后自动上传，若关闭需要自己绑定事件触发上传
             unique_names: true,
+            filters : {
+                max_file_size : '10mb',
+                prevent_duplicates: true,
+                // Specify what files to browse for
+                mime_types: [
+                    {title : "Image files", extensions : "jpg,gif,png,bmp"}, // 限定jpg,gif,png后缀上传
+                ]
+            },
             init: {
                 'FilesAdded': function(up, files) {
                     plupload.each(files, function(file) {
diff --git a/public/js/server/index.js b/public/js/server/index.js
index f49360e..a2b8159 100644
--- a/public/js/server/index.js
+++ b/public/js/server/index.js
@@ -235,6 +235,14 @@ layui.use(['layer', 'form', 'jquery'], function () {
             chunk_size: '4mb',                  // 分块上传时，每块的体积
             auto_start: true,                   // 选择文件后自动上传，若关闭需要自己绑定事件触发上传
             unique_names: true,
+            filters : {
+                max_file_size : '10mb',
+                prevent_duplicates: true,
+                // Specify what files to browse for
+                mime_types: [
+                    {title : "Image files", extensions : "jpg,gif,png,bmp"}, // 限定jpg,gif,png后缀上传
+                ]
+            },
             init: {
                 'FilesAdded': function(up, files) {
                     plupload.each(files, function(file) {
diff --git a/routes/index.js b/routes/index.js
index ccef424..72ebb54 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -27,7 +27,8 @@ router.get('/uptoken', function(req, res, next) {
     var mac = new qiniu.auth.digest.Mac(AppConfig.QINIU.accessKey, AppConfig.QINIU.secretKey);
     var options = {
         scope: 'kefu',
-        expires: 7200
+        expires: 7200,
+        mimeLimit:"image/*"
     };
     var putPolicy = new qiniu.rs.PutPolicy(options);
     var uploadToken=putPolicy.uploadToken(mac);