diff --git a/HealthMonitor.Service/Biz/IotWebApiService.cs b/HealthMonitor.Service/Biz/IotWebApiService.cs
index 9e1c1f6..cbebb3b 100644
--- a/HealthMonitor.Service/Biz/IotWebApiService.cs
+++ b/HealthMonitor.Service/Biz/IotWebApiService.cs
@@ -204,7 +204,7 @@ namespace HealthMonitor.Service.Biz
                 };
                 var person = await _gpsPersonApiClient.GetFirstAsync(condition, new RequestHeader() { RequestId = $"{imei}" }).ConfigureAwait(false);
                 // 若remark为空,更新person remark字段
-                if (!string.IsNullOrWhiteSpace(person?.Remarks))
+                if (string.IsNullOrWhiteSpace(person?.Remarks))
                 {
                     var newRemarkData = new
                     {