change visual-add.phtml

application/admin/views/scripts/data/visual-add.phtml

@@ -40,6 +40,12 @@
 </div>
 <script type="text/javascript">
 	$('#addVariable').click(function(e) {
-        
+		html = '<div class="control-group">
+                <label class="control-label" for="inputVariable">可视化要素</label>
+                <div class="controls">
+                	<input type="text" id="inputVariable" placeholder="Variable" class="input-block-level">
+                </div>
+            </div>';
+        $('#last-control-group').prepend();
     });
 </script>