diff --git a/Dockerfile b/Dockerfile
index 70f3c9d45..9ca4d70c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,11 +62,8 @@ RUN set -e && \
     python3 -m pip install --no-cache-dir \
       "typing-extensions>=4.10.0" "sympy>=1.13.3" jinja2 fsspec networkx filelock
 
-
-RUN python3 - <<'PY'
-    import torch, typing_extensions, sympy, jinja2, fsspec, networkx
-    print("✅ Torch:", torch.__version__)
-    PY      
+RUN python3 -c "import torch, typing_extensions, sympy, jinja2, fsspec, networkx; print('✅ Torch:', torch.__version__)"
+     
 
 # ── 编译 torchvision 0.22.1 (依赖本地 torch) ────────────────────────────────
 WORKDIR /opt