From 5440b226c4b80f9885ed1f4c5ddc9495a3c025d1 Mon Sep 17 00:00:00 2001
From: ccnetcore <cc2016cc>
Date: Sat, 27 Dec 2025 23:49:35 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E6=AD=A3=20yi-=20=E6=A8=A1?=
 =?UTF-8?q?=E5=9E=8B=E5=89=8D=E7=BC=80=E6=88=AA=E5=8F=96=E9=80=BB=E8=BE=91?=
 =?UTF-8?q?=E9=94=99=E8=AF=AF?=
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统一将模型 ID 和请求 Model 的前缀去除逻辑由错误的尾部截取改为正确的从索引 3 开始截取，避免模型名称被截断导致调用异常
---
 .../Managers/AiGateWayManager.cs                       | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/AiGateWayManager.cs b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/AiGateWayManager.cs
index 7377423a..9a07479a 100644
--- a/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/AiGateWayManager.cs
+++ b/Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/AiGateWayManager.cs
@@ -96,7 +96,7 @@ public class AiGateWayManager : DomainService
         if (!string.IsNullOrEmpty(aiModelDescribe.ModelId) &&
             aiModelDescribe.ModelId.StartsWith("yi-", StringComparison.OrdinalIgnoreCase))
         {
-            aiModelDescribe.ModelId = aiModelDescribe.ModelId[^3..];
+            aiModelDescribe.ModelId = aiModelDescribe.ModelId[3..];
         }
         return aiModelDescribe;
     }
@@ -518,7 +518,11 @@ public class AiGateWayManager : DomainService
         var chatService =
             LazyServiceProvider.GetRequiredKeyedService<IAnthropicChatCompletionService>(modelDescribe.HandlerName);
         var data = await chatService.ChatCompletionsAsync(modelDescribe, request, cancellationToken);
-
+        if (!string.IsNullOrEmpty(request.Model) &&
+            request.Model.StartsWith("yi-", StringComparison.OrdinalIgnoreCase))
+        {
+            request.Model = request.Model[3..];
+        }
         data.SupplementalMultiplier(modelDescribe.Multiplier);
 
         if (userId is not null)
@@ -585,7 +589,7 @@ public class AiGateWayManager : DomainService
         if (!string.IsNullOrEmpty(request.Model) &&
             request.Model.StartsWith("yi-", StringComparison.OrdinalIgnoreCase))
         {
-            request.Model = request.Model[^3..];
+            request.Model = request.Model[3..];
         }
         
         var completeChatResponse = chatService.StreamChatCompletionsAsync(modelDescribe, request, cancellationToken);