diff --git a/public/static/plugs/lay-module/tableData/tableData.js b/public/static/plugs/lay-module/tableData/tableData.js
index 5d8e943..ca4be23 100644
--- a/public/static/plugs/lay-module/tableData/tableData.js
+++ b/public/static/plugs/lay-module/tableData/tableData.js
@@ -38,6 +38,7 @@
         var defaultOption = {
             width: clienWidth,
             height: clientHeight,
+            trim: 0,
             placeholder: '请选择',
             selectConfirmCallback: 'onTableDataConfirm',
             type: 'input',
@@ -45,7 +46,6 @@
         };
 
         var options = $.extend(defaultOption, data);
-
         var valueField = options.valueField;
 
         if (options.index.indexOf('?') > -1) {
@@ -73,8 +73,13 @@
                 listSelected(value) {
 
                     var valueList = value.map(itemValue => itemValue[valueField]);
-
-                    this.value = valueList.join(',');
+                    var valueStr = valueList.join(',');
+                    if (options.selectType == 'checkbox') {
+                        if (options.trim == 0) {
+                            valueStr = ',' + valueStr + ',';
+                        }
+                    }
+                    this.value = valueStr;
                 }
             },
             computed: {