diff --git a/orbbec_camera/launch/gemini_301_series.launch.py b/orbbec_camera/launch/gemini_301_series.launch.py
index d78fc15a..37bb666d 100644
--- a/orbbec_camera/launch/gemini_301_series.launch.py
+++ b/orbbec_camera/launch/gemini_301_series.launch.py
@@ -142,7 +142,6 @@ def generate_launch_description():
         DeclareLaunchArgument('color_gain', default_value='-1'),
         DeclareLaunchArgument('enable_color_auto_white_balance', default_value='true'),
         DeclareLaunchArgument('color_white_balance', default_value='-1'),
-        DeclareLaunchArgument('enable_color_auto_exposure', default_value='true'),
         DeclareLaunchArgument('color_ae_max_exposure', default_value='-1'),
         DeclareLaunchArgument('color_brightness', default_value='-1'),
         DeclareLaunchArgument('color_sharpness', default_value='-1'),
@@ -208,7 +207,8 @@ def generate_launch_description():
         DeclareLaunchArgument('right_ir_mirror', default_value='false'),
         DeclareLaunchArgument('enable_right_ir_sequence_id_filter', default_value='false'),
         DeclareLaunchArgument('right_ir_sequence_id_filter_id', default_value='-1'),
-        DeclareLaunchArgument('enable_ir_auto_exposure', default_value='true'),
+        # Gemini 301 color, depth, and IR streams share one auto-exposure switch.
+        DeclareLaunchArgument('enable_auto_exposure', default_value='true'),
         DeclareLaunchArgument('ir_exposure', default_value='-1'),
         DeclareLaunchArgument('ir_gain', default_value='-1'),
         DeclareLaunchArgument('ir_ae_max_exposure', default_value='-1'),
diff --git a/orbbec_camera/src/ob_camera_node.cpp b/orbbec_camera/src/ob_camera_node.cpp
index bc2fddc7..286c3b9b 100644
--- a/orbbec_camera/src/ob_camera_node.cpp
+++ b/orbbec_camera/src/ob_camera_node.cpp
@@ -1721,7 +1721,8 @@ void OBCameraNode::setupDevices() {
         "Current depth auto exposure priority: "
             << (device_->getIntProperty(OB_PROP_DEPTH_AUTO_EXPOSURE_PRIORITY_INT) ? "ON" : "OFF")));
   }
-  if (should_apply_launch_config("enable_ir_auto_exposure") &&
+  if ((should_apply_launch_config("enable_auto_exposure") ||
+       should_apply_launch_config("enable_ir_auto_exposure")) &&
       device_->isPropertySupported(OB_PROP_IR_AUTO_EXPOSURE_BOOL, OB_PERMISSION_WRITE)) {
     TRY_TO_SET_PROPERTY(setBoolProperty, OB_PROP_IR_AUTO_EXPOSURE_BOOL, enable_ir_auto_exposure_);
     TRY_EXECUTE_BLOCK(RCLCPP_INFO_STREAM(
@@ -4772,7 +4773,11 @@ void OBCameraNode::getParameters() {
   setAndGetNodeParameter<int>(mean_intensity_set_point_, "mean_intensity_set_point",
                               depth_brightness_);
   setAndGetNodeParameter<std::string>(depth_precision_str_, "depth_precision", "");
-  setAndGetNodeParameter<bool>(enable_ir_auto_exposure_, "enable_ir_auto_exposure", true);
+  setAndGetNodeParameter<bool>(enable_ir_auto_exposure_,
+                               isLaunchParamProvided("enable_auto_exposure")
+                                   ? "enable_auto_exposure"
+                                   : "enable_ir_auto_exposure",
+                               true);
   setAndGetNodeParameter<int>(ir_exposure_, "ir_exposure", -1);
   setAndGetNodeParameter<int>(ir_gain_, "ir_gain", -1);
   setAndGetNodeParameter<int>(ir_ae_max_exposure_, "ir_ae_max_exposure", -1);