diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
index 63d33d7..6b33701 100755
--- a/scripts/install_deps.sh
+++ b/scripts/install_deps.sh
@@ -21,7 +21,7 @@ echo -e "${BLUE}╚════════════════════
 echo ""
 
 if [ "$(id -u)" -ne 0 ]; then
-    echo -e "${RED}错误: 请使用 sudo 运行${NC}"
+    echo -e "${RED}错误: 请使用 sudo 运行此脚本${NC}"
     exit 1
 fi
 
@@ -87,9 +87,14 @@ echo -e "${YELLOW}[2/4] 安装 Rockchip MPP...${NC}"
 
 cd "$PROJECT_DIR/third_party/mpp"
 
-# 创建完整的 version.h 文件
-mkdir -p build/cmake mpp
-cat > mpp/version.h << 'EOF'
+# 清理旧的构建
+rm -rf build
+
+# 创建 version.in 和 version.h
+mkdir -p build/cmake
+
+# version.in 用于 CMake configure_file
+cat > build/cmake/version.in << 'EOF'
 #ifndef MPP_VERSION_H
 #define MPP_VERSION_H
 
@@ -97,7 +102,6 @@ cat > mpp/version.h << 'EOF'
 #define MPP_GIT_VERSION "unknown"
 #define MPP_GIT_BRANCH "master"
 #define MPP_BUILD_TIME "unknown"
-
 #define MPP_VER_HIST_CNT 10
 #define MPP_VER_HIST_0 "unknown"
 #define MPP_VER_HIST_1 "unknown"
@@ -113,6 +117,12 @@ cat > mpp/version.h << 'EOF'
 #endif
 EOF
 
+# version.h 用于直接编译
+cp build/cmake/version.in mpp/version.h
+
+# 给 merge_static_lib.sh 添加执行权限
+chmod +x merge_static_lib.sh 2>/dev/null || true
+
 # 编译安装
 mkdir -p build
 cd build
@@ -133,29 +143,58 @@ echo -e "${GREEN}✓${NC} MPP 安装完成"
 # ============================================
 echo -e "${YELLOW}[3/4] 安装 RKNN Runtime...${NC}"
 
-# 优先使用下载的 rknpu2-1.5.2.zip
-if [ -f "/tmp/rknpu2-1.5.2.zip" ]; then
-    echo "  使用下载的 rknpu2-1.5.2.zip"
-    cd /tmp
-    unzip -q -o rknpu2-1.5.2.zip 2>/dev/null || unzip -q -o rknpu2-1.6.0_arm64.deb.zip 2>/dev/null || true
-    
-    # 查找解压后的目录
-    RKNPU_DIR=$(find /tmp -maxdepth 1 -type d -name "rknpu*" | head -1)
-    if [ -n "$RKNPU_DIR" ] && [ -d "$RKNPU_DIR/runtime/RK3588/Linux/aarch64" ]; then
-        echo "  安装 RKNN 库..."
-        cp "$RKNPU_DIR/runtime/RK3588/Linux/aarch64/"*.so /usr/lib/ 2>/dev/null || true
-        cp -r "$RKNPU_DIR/runtime/RK3588/Linux/librknn_api/include/"* /usr/include/ 2>/dev/null || true
+RKNN_INSTALLED=false
+
+# 优先使用本地上传的 rknpu2 zip（覆盖系统版本）
+for zip_file in "/tmp/rknpu2-1.5.2.zip" "/tmp/rknpu2-1.6.0.zip" "/tmp/rknpu2_1.6.0_arm64.zip"; do
+    if [ -f "$zip_file" ]; then
+        echo "  发现本地文件: $(basename $zip_file)，优先使用"
+        cd /tmp
+        rm -rf rknpu2-* 2>/dev/null || true
+        unzip -q -o "$zip_file" 2>/dev/null || true
+        
+        # 查找解压后的目录
+        RKNPU_DIR=$(find /tmp -maxdepth 1 -type d -name "rknpu*" | head -1)
+        if [ -n "$RKNPU_DIR" ]; then
+            echo "  解压目录: $RKNPU_DIR"
+            if [ -d "$RKNPU_DIR/runtime/RK3588/Linux/aarch64" ]; then
+                echo "  安装 RKNN 库..."
+                cp "$RKNPU_DIR/runtime/RK3588/Linux/aarch64/"*.so /usr/lib/ 2>/dev/null || true
+            fi
+            if [ -d "$RKNPU_DIR/runtime/RK3588/Linux/librknn_api/include" ]; then
+                cp -r "$RKNPU_DIR/runtime/RK3588/Linux/librknn_api/include/"* /usr/include/ 2>/dev/null || true
+            fi
+            RKNN_INSTALLED=true
+        fi
+        break
     fi
-else
-    # 使用项目自带的（仅头文件，库需要系统安装）
-    echo "  使用项目自带的 RKNPU2 头文件..."
-    if [ -d "$PROJECT_DIR/third_party/rknpu2/runtime/RK3588/Linux/librknn_api/include" ]; then
-        cp -r "$PROJECT_DIR/third_party/rknpu2/runtime/RK3588/Linux/librknn_api/include/"* /usr/include/ 2>/dev/null || true
+done
+
+# 如果没有本地 zip，检查系统是否已有
+if [ "$RKNN_INSTALLED" != "true" ]; then
+    if [ -f "/usr/lib/librknnrt.so" ] || [ -f "/usr/lib/aarch64-linux-gnu/librknnrt.so" ]; then
+        echo "  系统已存在 RKNN 库"
+        RKNN_INSTALLED=true
     fi
-    
-    echo -e "${YELLOW}警告: 未找到预编译库，尝试安装系统版本...${NC}"
-    # 尝试安装系统版本作为后备
-    apt-get install -y librknn-runtime librknn-dev 2>/dev/null || true
+fi
+
+# 安装头文件（项目自带）
+if [ -d "$PROJECT_DIR/third_party/rknpu2/runtime/RK3588/Linux/librknn_api/include" ]; then
+    echo "  安装 RKNN 头文件..."
+    cp -r "$PROJECT_DIR/third_party/rknpu2/runtime/RK3588/Linux/librknn_api/include/"* /usr/include/ 2>/dev/null || true
+fi
+
+# 如果库还没安装，尝试系统仓库
+if [ "$RKNN_INSTALLED" != "true" ]; then
+    echo "  尝试从系统仓库安装..."
+    apt-get install -y librknn-runtime librknn-api 2>/dev/null && {
+        RKNN_INSTALLED=true
+    } || {
+        echo -e "${YELLOW}警告: 无法安装 RKNN 运行时库${NC}"
+        echo "  请手动下载并安装:"
+        echo "    https://github.com/rockchip-linux/rknpu2/releases"
+        echo "  或将 rknpu2-1.5.2.zip 上传到 /tmp/ 后重试"
+    }
 fi
 
 ldconfig
diff --git a/third_party/mpp/merge_static_lib.sh b/third_party/mpp/merge_static_lib.sh
old mode 100644
new mode 100755