diff --git a/scripts/deploy/install.sh b/scripts/deploy/install.sh
index fab7bd1..889c2e2 100644
--- a/scripts/deploy/install.sh
+++ b/scripts/deploy/install.sh
@@ -57,7 +57,17 @@ fi
 
 # 安装 Python 依赖（全局，root 可访问）
 if [ -d "$INSTALL_DIR/deps" ] && ls "$INSTALL_DIR/deps"/*.whl >/dev/null 2>&1; then
-    pip3 install "$INSTALL_DIR"/deps/*.whl 2>&1 || true; echo "  ✓ Python 依赖已就绪"
+    if pip3 install --force-reinstall "$INSTALL_DIR"/deps/*.whl 2>&1; then
+        echo "  ✓ Python 依赖已安装"
+    else
+        echo "  ⚠ Python 依赖安装失败，尝试桥接用户包..."
+        # Fallback: let root's Python see the current user's site-packages
+        USER_SITE=$(python3 -c "import site; print(site.USER_SITE)" 2>/dev/null)
+        if [ -n "$USER_SITE" ] && [ -d "$USER_SITE" ]; then
+            SYS_SITE=$(python3 -c "import site; print(site.getsitepackages()[0])" 2>/dev/null)
+            echo "$USER_SITE" > "$SYS_SITE/orangepi-local.pth" 2>/dev/null && echo "  ✓ 用户包桥接已创建" || echo "  ⚠ 桥接失败"
+        fi
+    fi
 fi
 
 # 安装/更新服务