diff --git a/Dockerfile b/Dockerfile
index 97cfbf9..68c188f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -31,8 +31,7 @@ RUN git clone --recursive -b v2.7.1 https://github.com/pytorch/pytorch.git
 WORKDIR /opt/pytorch
 ENV MAX_JOBS=${MAX_JOBS}
 RUN echo "Building PyTorch with USE_DISTRIBUTED=$USE_DISTRIBUTED" && \
-    python3 setup.py bdist_wheel && \
-    python3 -c "from torch.distributed import Backend; print('✅ Build success. GLOO =', Backend.GLOO)"
+    python3 setup.py bdist_wheel
 
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 # Stage 1 ─ builder-extras：用自编 Torch 装 TV / flashinfer / sglang，并收集轮子