diff --git a/src/InterfaceForward.Application/Services/InterfaceForwardCommon.cs b/src/InterfaceForward.Application/Services/InterfaceForwardCommon.cs
index 3588790..99d023a 100644
--- a/src/InterfaceForward.Application/Services/InterfaceForwardCommon.cs
+++ b/src/InterfaceForward.Application/Services/InterfaceForwardCommon.cs
@@ -125,8 +125,6 @@ public class InterfaceForwardCommon(
 
             Debug.Assert(context.TargetInterface.FlowCode != null, "context.TargetInterface.FlowCode != null");
             var flow = GetForwardFlow(context.TargetInterface.FlowCode);
-            if (flow == default)
-                throw new BusinessException(message: "找不到接口转发流程" + context.TargetInterface.FlowCode);
             _flows.Add(context.TargetInterface.Code, flow);
 
             res.Add(context);
@@ -141,8 +139,11 @@ public class InterfaceForwardCommon(
     // 优先用服务商接口指定流程，其次使用服务商的，再其次是默认的
     public IForwardFlow GetForwardFlow(string flowCode)
     {
-        return serviceProvider.GetServices<IForwardFlow>()
-            .FirstOrDefault(x => x.GetType().Name == flowCode)?? throw new BusinessException("未找到流程模版，请联系开发");
+        var flow = serviceProvider.GetServices<IForwardFlow>()
+            .FirstOrDefault(x => x.GetType().Name == flowCode);
+        if (flow == null)
+            throw new BusinessException(message: "找不到接口转发流程" + flowCode);
+        return flow;
     }
 
     /// <summary>
@@ -205,10 +206,6 @@ public class InterfaceForwardCommon(
         {
             Debug.Assert(cacheContext.ServiceProviderAuthInterface != null, "cacheContext.ServiceProviderAuthInterface != null");
             var flow = GetForwardFlow(cacheContext.ServiceProviderAuthInterface.TargetInterface.FlowCode!);
-            if (flow == default)
-                throw new BusinessException(message: "找不到接口转发流程" +
-                                                     cacheContext.ServiceProviderAuthInterface.TargetInterface
-                                                         .FlowCode);
             _flows.Add(cacheContext.ServiceProviderAuthInterface.TargetInterface.Code, flow);
         }