check sort id selected

@@ -16,7 +16,7 @@ new common.dropDown({
     }
 });
 
-var smallSortId=tabTree.selected[2] ? tabTree.selected[2].id : "";
+var smallSortId = tabTree.selected[2] ? tabTree.selected[2].id : "";
 
 var g = new common.grid({
     el: "#basicTable",
@@ -85,6 +85,16 @@ var getAllSortName = function(){
     return sortNames;
 };
 
+var getAllSort = function(){
+    var sorts = [];
+    for (var i = 0; i < 3; i++) {
+        if(tabTree.selected[i]){
+            sorts.push(tabTree.selected[i]);
+        }
+    }    
+    return sorts;
+};
+
 var appendAllSortName = function(allSorts){
     if(allSorts === 'undefined' || allSorts.length === 0){
         return '';
@@ -150,6 +160,11 @@ $(document).on('click', '#add-btn', function () {
             common.util.__ajax({
                 url: '/erpproduct/standardSort/add',
                 data: (function () {
+
+                    if(smallSortId === 'undefined' || smallSortId <= 0 || smallSortId === null){
+                        common.util.__tip("请选择分类", "warning");
+                        return;
+                    }
                     var standardSortName = $('#standardSortName').val();
                     if (standardSortName === '' || $.trim(standardSortName) === '')
                     {