diff --git a/Dockerfile b/Dockerfile
index 6be0dd0..1b3c3f0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /workspace
 
 # 复制 requirements.txt 并安装 Python 依赖
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip3 install --no-cache-dir -r requirements.txt
 
 # 复制 server.py 到 workspace
 COPY server.py /workspace/