diff --git a/src/Shentun.ColumnReferencePlugIns/PlugInsBase.cs b/src/Shentun.ColumnReferencePlugIns/PlugInsBase.cs
index 10119df..15a30c5 100644
--- a/src/Shentun.ColumnReferencePlugIns/PlugInsBase.cs
+++ b/src/Shentun.ColumnReferencePlugIns/PlugInsBase.cs
@@ -142,6 +142,10 @@ namespace Shentun.Peis.PlugIns
 
         public async Task<TOut> CallAppServiceAsync<TInput, TOut>(string url, TInput data, string method = "post")
         {
+            if(string.IsNullOrWhiteSpace(_appBaseAddress))
+            {
+                throw new Exception("_appBaseAddress不能为空");
+            }
             string baseAddress = _appBaseAddress;
             await CheckLoginAsync();
             using (var httpClientHandler = new HttpClientHandler())
@@ -214,6 +218,14 @@ namespace Shentun.Peis.PlugIns
 
         public async virtual Task<LoginOutDto> LoginAsync()
         {
+            if(string.IsNullOrWhiteSpace(SelfUser))
+            {
+                throw new Exception("SelfUser不能为空");
+            }
+            if (string.IsNullOrWhiteSpace(SelfPassword))
+            {
+                throw new Exception("SelfPassword不能为空");
+            }
             var relult = await LoginAsync(SelfUser, SelfPassword);
             return relult;
         }