更新 'assets/dever/core.js'

assets/dever/core.js

@@ -996,7 +996,7 @@ var _Dever_Upload =
         self.upload_file[value] = [];
 
         var input_value = input.val();
-        if (input_value) {
+        if (input_value && type == 'mul') {
             var input_value_array = input_value.split(',');
             for (var i in input_value_array) {
                 self.Set(type, e, input, value, callback, input_value_array[i]);