diff --git a/bash/run_gripper.sh b/bash/run_gripper.sh
index 16f8d11..edcf620 100644
--- a/bash/run_gripper.sh
+++ b/bash/run_gripper.sh
@@ -83,8 +83,8 @@ detect_cameras() {
 # 更新 gripper.json 中的 video 路径
 # ============================================
 update_config() {
-    local cam_left_idx="$1"
-    local cam_right_idx="$2"
+    local cam_right_idx="$1"
+    local cam_left_idx="$2"
     local config_file="$GRIPPER_CONFIG"
 
     # 检查 jq 是否安装