diff --git a/BuildFlow.slnx b/build-flow.slnx
similarity index 100%
rename from BuildFlow.slnx
rename to build-flow.slnx
diff --git a/tests/BuildFlow.Architecture.Tests/HostArchitectureTests.cs b/tests/BuildFlow.Architecture.Tests/HostArchitectureTests.cs
index 3d08882..c144d3e 100644
--- a/tests/BuildFlow.Architecture.Tests/HostArchitectureTests.cs
+++ b/tests/BuildFlow.Architecture.Tests/HostArchitectureTests.cs
@@ -77,7 +77,7 @@ public class HostArchitectureTests
         var current = new DirectoryInfo(AppContext.BaseDirectory);
         while (current is not null)
         {
-            if (File.Exists(Path.Combine(current.FullName, "BuildFlow.slnx")))
+            if (File.Exists(Path.Combine(current.FullName, "build-flow.slnx")))
             {
                 return current;
             }
@@ -85,7 +85,7 @@ public class HostArchitectureTests
             current = current.Parent;
         }
 
-        throw new InvalidOperationException("无法定位 BuildFlow.slnx，架构测试无法确定仓库边界。");
+        throw new InvalidOperationException("无法定位 build-flow.slnx，架构测试无法确定仓库边界。");
     }
 
     private static bool ContainsPathSegment(string path, string segment)