resolve fault edit bug

src/main/java/com/zglc/fm/service/FaultService.java

@@ -140,7 +140,9 @@ public class FaultService {
                     flag = false;
                     msg = "修改故障信息失败,案例编号已存在!";
                 }
-            } else {
+            }
+            if (flag)
+            {
                 int index = faultDao.updateByPrimaryKeySelective(data);
                 if (index == 0) {
                     flag = false;