diff --git a/.devops/pmstart.sh b/.devops/pmstart.sh
index df7458d..3f3e259 100755
--- a/.devops/pmstart.sh
+++ b/.devops/pmstart.sh
@@ -38,13 +38,22 @@ echo "✓ Python3 已安装: $(python3 --version)"
 # 4. 检查 Python 依赖
 echo ""
 echo "[步骤 4/7] 检查 Python 依赖..."
+
+# 检查并安装 pip
+if ! python3 -m pip --version &> /dev/null; then
+    echo "pip 未安装，正在安装 pip..."
+    curl -sS https://bootstrap.pypa.io/get-pip.py | python3 - --user
+    echo "✓ pip 安装完成"
+fi
+
+# 使用 python3 -m pip 代替 pip3
 if ! python3 -c "import yaml" 2>/dev/null; then
     echo "安装 PyYAML..."
-    pip3 install --user PyYAML
+    python3 -m pip install --user PyYAML
 fi
 if ! python3 -c "import flask" 2>/dev/null; then
     echo "安装 Flask..."
-    pip3 install --user flask
+    python3 -m pip install --user flask
 fi
 echo "✓ Python 依赖检查完成"