修复明显错误的代码

Author: binarywang

src/main/java/com/github/controller/PaymentController.java

@@ -226,8 +226,9 @@ public Map<String, String> enterprisePay(TreeMap<String, String> map, String key
  for (Map.Entry<String, String> obj : entry2) {
  String k = obj.getKey();
  String v = obj.getValue();
- if (v == null && v.equals(""))
+ if (v == null || v.equals("")) {
  continue;
+ }
  sb.append(k + "=" + v + "&");
  }
  sb.append("key=" + keys);