diff --git a/Learn.Archives.Core/Common/OhException.cs b/Learn.Archives.Core/Common/OhException.cs
index 72eca5c..fb36166 100644
--- a/Learn.Archives.Core/Common/OhException.cs
+++ b/Learn.Archives.Core/Common/OhException.cs
@@ -22,6 +22,16 @@ namespace Learn.Archives.Core.Common
             throw new OhException(message,  code);
         }
         /// <summary>
+        /// 抛出 异常
+        /// </summary>
+        /// <param name="message"></param>
+        /// <param name="code"></param>
+        /// <exception cref="OhException"></exception>
+        public static T Error<T>(string message, int code = 500)
+        {
+            throw new OhException(message, code);
+        }
+        /// <summary>
         /// 抛出 模型校验异常
         /// </summary>
         /// <param name="message"></param>
diff --git a/Learn.Archives.Core/Common/UserCenterService.cs b/Learn.Archives.Core/Common/UserCenterService.cs
index b4f32b1..530c17b 100644
--- a/Learn.Archives.Core/Common/UserCenterService.cs
+++ b/Learn.Archives.Core/Common/UserCenterService.cs
@@ -71,8 +71,19 @@ namespace Learn.Archives.Core.Common
             requestMessage.Content = new StringContent(data.ToJson(), Encoding.UTF8, "application/json");
             
             var responseMessage = await httpClient.SendAsync(requestMessage, HttpCompletionOption.ResponseHeadersRead);
-            var resStr = await responseMessage.Content?.ReadAsStringAsync();
-            var res  = JsonSerializer.Deserialize<BaseReturn<UserImportRes>>(resStr);
+            var resStr = string.Empty;
+            try
+            {
+                resStr= await responseMessage?.Content?.ReadAsStringAsync();
+              
+            }
+            catch (Exception ex)
+            {
+                return Oh.Error<UserImportRes>($"请求用户中心出现异常 {resStr} {ex.Message}");
+            }
+            if(string.IsNullOrEmpty(resStr))
+                return Oh.Error<UserImportRes>($"请求用户中心出现异常 返回了空数据");
+            var res = JsonSerializer.Deserialize<BaseReturn<UserImportRes>>(resStr);
             if (res == null || res.Code != 200)
                 Oh.Error(res.Message, res.Code);
             return res.Data;
diff --git a/Learn.Archives.Core/Learn.Archives.Core.csproj b/Learn.Archives.Core/Learn.Archives.Core.csproj
index d41fa79..91ba3a1 100644
--- a/Learn.Archives.Core/Learn.Archives.Core.csproj
+++ b/Learn.Archives.Core/Learn.Archives.Core.csproj
@@ -28,6 +28,6 @@
 		<PackageReference Include="SqlSugar.IOC" Version="2.0.0" />
 		<PackageReference Include="SqlSugarCore" Version="5.1.4.170" />
 		<PackageReference Include="System.Net.Http" Version="4.3.4" />
-		<PackageReference Include="UserCenter.Model" Version="1.4.4" />
+		<PackageReference Include="UserCenter.Model" Version="1.4.9" />
 	</ItemGroup>
 </Project>