重复评价BUG修改

@@ -60,7 +60,10 @@
                 $('#wordage').html(pattern);
             }
         );
+        var click_num = 0;
         $('.btn_ping').click(function () {
+            if(click_num ==  0){
+                click_num++;
                 var str_len = $('#wordtext').val().length;
                 if (str_len ==0) {
                     layer.msg('评价不能为空！')
@@ -81,6 +84,10 @@
                         }
                     });
                 }
+            }else{
+                layer.msg("请勿重复评价");
+            }
+
         });
     })(window, jQuery)
 </script>