diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0baf87fe..6f7453e3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -92,8 +92,16 @@ jobs:
         run: cargo check --manifest-path src-tauri/Cargo.toml
 
       - name: Run Rust backend unit tests
+        if: runner.os != 'Windows'
         run: cargo test --manifest-path src-tauri/Cargo.toml --lib
 
+      - name: Compile Rust backend unit tests (Windows)
+        # Windows runner 能链接 lib test binary，但干净镜像缺少可选 native runtime
+        # DLL entrypoint 时，进程会在 test harness 启动前退出。这里保留 cfg/link
+        # 覆盖；共享单测在 macOS / Linux 上实际执行。
+        if: runner.os == 'Windows'
+        run: cargo test --manifest-path src-tauri/Cargo.toml --lib --no-run
+
       - name: Verify version sync across all 5 files
         # 两个平台都跑这个校验：Windows runner 自带 git-bash，跨 shell 表现一致。
         # 一旦版本号 drift 立刻 fail，避免发版时再发现漏改。