diff --git a/common/src/main/resources/static/assets/css/layui-util.css b/common/src/main/resources/static/assets/css/layui-util.css
new file mode 100644
index 00000000..36a75cd5
--- /dev/null
+++ b/common/src/main/resources/static/assets/css/layui-util.css
@@ -0,0 +1,77 @@
+/* 上传图片 */
+.form-upload-image {
+    position: relative;
+    display: inline-block;
+    margin: 10px 10px 0 0;
+}
+
+.form-upload-image:last-child {
+    margin-right: 0;
+}
+
+.form-upload-image img {
+    height: 100px;
+}
+
+.form-upload-image .delete-btn {
+    position: absolute;
+    top: 0;
+    right: 0;
+    margin: 0;
+}
+
+.layui-form-item .upload-image-box {
+    clear: both;
+    width: 100%;
+    padding: 0;
+    display: block;
+}
+
+/* 上传附件 */
+.form-upload-file {
+
+}
+
+.form-upload-file .operation {
+    text-align: center;
+}
+
+.form-upload-file .delete-btn {
+    margin: 0;
+}
+
+/* 上传视频 */
+.form-upload-video {
+    position: relative;
+    display: inline-block;
+    margin: 10px 10px 0 0;
+}
+
+.form-upload-video:last-child {
+    margin-right: 0;
+}
+
+.form-upload-video .delete-btn {
+    position: absolute;
+    top: 0;
+    right: 0;
+    margin: 0;
+}
+
+/* 上传音频 */
+.form-upload-audio {
+    position: relative;
+    display: inline-block;
+    margin: 10px 10px 0 0;
+}
+
+.form-upload-audio:last-child {
+    margin-right: 0;
+}
+
+.form-upload-audio .delete-btn {
+    position: absolute;
+    top: 0;
+    right: 0;
+    margin: 0;
+}
\ No newline at end of file
diff --git a/common/src/main/resources/static/assets/js/layui-util.js b/common/src/main/resources/static/assets/js/layui-util.js
index 7693e02b..8443a676 100644
--- a/common/src/main/resources/static/assets/js/layui-util.js
+++ b/common/src/main/resources/static/assets/js/layui-util.js
@@ -19,8 +19,7 @@ function LayuiUtil(layui, viewer) {
         var isShow = opt.isShow;
         var defaultAllowExts = ['jpg', 'png', 'gif', 'bmp', 'jpeg'];
         var allowExts = opt.allowExts;
-        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\\|') : defaultAllowExts.join('\\|');
-
+        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\|') : defaultAllowExts.join('\|');
         var defaultAcceptMime = ['image/*'];
         var acceptMime = opt.acceptMime;
         acceptMime = acceptMime && (acceptMime instanceof Array) ? defaultAcceptMime.concat(acceptMime).join(',') : defaultAcceptMime.join(',');
@@ -133,7 +132,7 @@ function LayuiUtil(layui, viewer) {
         var isShow = opt.isShow;
         var allowExts = opt.allowExts;
         var defaultAllowExts = ['pdf', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'wps', 'txt', 'rar', 'zip'];
-        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\\|') : defaultAllowExts.join('\\|');
+        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\|') : defaultAllowExts.join('\|');
         var defaultAcceptMime = [
             'application/pdf',
             'application/msword',
@@ -284,7 +283,7 @@ function LayuiUtil(layui, viewer) {
 
         var defaultAllowExts = ['mp4'];
         var allowExts = opt.allowExts;
-        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\\|') : defaultAllowExts.join('\\|');
+        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\|') : defaultAllowExts.join('\|');
 
         var defaultAcceptMime = ['video/mp4'];
         var acceptMime = opt.acceptMime;
@@ -396,7 +395,7 @@ function LayuiUtil(layui, viewer) {
 
         var defaultAllowExts = ['wav', 'mp3'];
         var allowExts = opt.allowExts;
-        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\\|') : defaultAllowExts.join('\\|');
+        allowExts = allowExts && (allowExts instanceof Array) ? defaultAllowExts.concat(allowExts).join('\|') : defaultAllowExts.join('\|');
 
         var defaultAcceptMime = ['audio/wav', 'audio/mp3'];
         var acceptMime = opt.acceptMime;
@@ -504,4 +503,85 @@ function LayuiUtil(layui, viewer) {
         }
     }
 
+    /**
+     * 下拉选择
+     */
+    this.select = function (opt) {
+        var self = this;
+        var url = opt.url;
+        var domId = opt.domId;
+        var name = opt.name;
+        var valueKey = opt.valueKey;
+        var nameKey = opt.nameKey;
+        var dataForm = opt.dataForm;
+        var selectedValue = opt.selectedValue;
+        var onInit = opt.onInit;
+        var onSelect = opt.onSelect;
+
+        $('#'+ domId).empty();
+        $('#'+ domId).append('<select id="' + name + '" name="' + name + '" lay-filter="' + name + 'Filter"></select>');
+
+        /**
+         * 初始化选项
+         */
+        function initOption() {
+            // 得到数据？
+            $('#' + name).empty();
+            // if (selectedValue === '') {
+            //     // 监听初始化
+            //     onInit ? onInit(selectedValue) : null;
+            //     form.render(null, dataForm);
+            //     return;
+            // }
+            top.restAjax.get(url, {}, null, function (code, data) {
+                var options = '<option value="">请选择</option>';
+                for (var i = 0, item; item = data[i++];) {
+                    options += '<option value="' + item[valueKey] + '" ' + ((selectedValue && selectedValue == item[valueKey]) ? 'selected' : '') + '>' + item[nameKey] + '</option>'
+                }
+                $('#' + name).append(options)
+                form.render(null, dataForm);
+
+                // 监听初始化
+                onInit ? onInit(selectedValue) : null;
+            }, function (code, data) {
+                top.dialog.msg(data.msg);
+            });
+        }
+
+        /**
+         * 初始化选择
+         */
+        function initSelectEvent() {
+            form.on('select(' + name + 'Filter)', function (data) {
+                var option = self.selectedOption('#' + name, data.value);
+                onSelect ? onSelect(data, option) : null;
+                // 联动
+                if (data.value) {
+                    onInit ? onInit(data.value) : null;
+                }
+            });
+        }
+
+        initOption();
+        initSelectEvent();
+
+    }
+
+    /**
+     * 获取选择的option
+     *
+     * @param selectId 下拉框ID
+     * @param selectedValue 选择的值
+     * @return {DOMStringMap|null}
+     */
+    this.selectedOption = function (selectId, selectedValue) {
+        var options = $(selectId).children();
+        for (var i = 0, option; option = options[i++];) {
+            if (selectedValue === option.value) {
+                return option;
+            }
+        }
+        return null;
+    }
+
 }
\ No newline at end of file