优化：取不到地块名时直接返回

OpenAuth.App/ServiceApp/Job/FileMonitor.cs

@@ -196,6 +196,11 @@ class FileMonitor : IJob
         }
 
         var areaName = new DirectoryInfo(shpPath).Parent?.Parent?.Name;
+        if (areaName == null)
+        {
+            return false;
+        }
+
         var shpInfo = ShpUtil.GetShpInfo(shpPath);
         var insAishp = new InsAishp();
         var currentTime = DateTime.Now;