diff --git a/tests/BuildFlow.Rag.Tests/AiModelRuntimeConfigResolverTests.cs b/tests/BuildFlow.Rag.Tests/AiModelRuntimeConfigResolverTests.cs
index 5658119..9a9d0f2 100644
--- a/tests/BuildFlow.Rag.Tests/AiModelRuntimeConfigResolverTests.cs
+++ b/tests/BuildFlow.Rag.Tests/AiModelRuntimeConfigResolverTests.cs
@@ -4,7 +4,6 @@ using BuildFlow.Infrastructure.AI;
 using BuildFlow.Infrastructure.Persistence;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Options;
 using Xunit;
 
 namespace BuildFlow.Rag.Tests;
@@ -22,14 +21,16 @@ public class AiModelRuntimeConfigResolverTests
         services.AddDbContext<RagDbContext>(options =>
             options.UseInMemoryDatabase(dbName));
         services.AddScoped<AiModelRuntimeConfigResolver>();
-        services.AddSingleton(Options.Create(new AiOptions
-        {
-            BaseUrl = "http://localhost:1234/v1",
-            ApiKey = "lm-studio",
-            ChatModel = "fallback-chat",
-            EmbeddingModel = "fallback-embedding",
-            DefaultInstructions = "你是 BuildFlow AI 助手。没有知识库上下文时按普通对话直接回答。",
-        }));
+        services.AddOptions<AiOptions>()
+            .Configure(options =>
+            {
+                options.BaseUrl = "http://localhost:1234/v1";
+                options.ApiKey = "lm-studio";
+                options.ChatModel = "fallback-chat";
+                options.EmbeddingModel = "fallback-embedding";
+                options.DefaultInstructions =
+                    "你是 BuildFlow AI 助手。没有知识库上下文时按普通对话直接回答。";
+            });
 
         await using var provider = services.BuildServiceProvider();
         await using (var scope = provider.CreateAsyncScope())
@@ -72,14 +73,15 @@ public class AiModelRuntimeConfigResolverTests
         services.AddDbContext<RagDbContext>(options =>
             options.UseInMemoryDatabase(dbName));
         services.AddScoped<AiModelRuntimeConfigResolver>();
-        services.AddSingleton(Options.Create(new AiOptions
-        {
-            BaseUrl = "https://fallback.example/v1",
-            ApiKey = "fallback-key",
-            ChatModel = "fallback-chat",
-            EmbeddingModel = "fallback-embedding",
-            DefaultInstructions = "fallback instructions",
-        }));
+        services.AddOptions<AiOptions>()
+            .Configure(options =>
+            {
+                options.BaseUrl = "https://fallback.example/v1";
+                options.ApiKey = "fallback-key";
+                options.ChatModel = "fallback-chat";
+                options.EmbeddingModel = "fallback-embedding";
+                options.DefaultInstructions = "fallback instructions";
+            });
 
         await using var provider = services.BuildServiceProvider();
         await using (var scope = provider.CreateAsyncScope())
diff --git a/tests/BuildFlow.Scripting.Tests/ScriptExecutionServiceTests.cs b/tests/BuildFlow.Scripting.Tests/ScriptExecutionServiceTests.cs
index c5a5d84..3208c59 100644
--- a/tests/BuildFlow.Scripting.Tests/ScriptExecutionServiceTests.cs
+++ b/tests/BuildFlow.Scripting.Tests/ScriptExecutionServiceTests.cs
@@ -1,4 +1,5 @@
 using BuildFlow.Shared.Domain.Common;
+using BuildFlow.Shared.Domain.Errors;
 using BuildFlow.Shared.Domain.Exceptions;
 using FluentAssertions;
 using MediatR;
@@ -99,9 +100,11 @@ public class ScriptExecutionServiceTests
 
         var act = () => svc.ExecuteByIdAsync(script.Id, "{}", CancellationToken.None);
 
-        (await act.Should().ThrowAsync<BusinessException>())
-            .WithMessage("*禁用*")
-            .Which.Message.Should().Contain("File");
+        var exception = (await act.Should().ThrowAsync<BusinessException>())
+            .WithMessage("*禁用 API*")
+            .Which;
+        exception.Code.Should().Be(ErrorCode.Business);
+        exception.Message.Should().Contain("System.IO");
     }
 
     // ── §13 #4: SANDBOX — Reflection 被拦截 ────────────────────────────────