diff --git a/CMakeLists.txt b/CMakeLists.txt
index 42f4a81..56c98db 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,4 +83,4 @@ zadd_executable_simple(
 zadd_executable_simple(TARGET alsaplayer_main.out SRC
                        dep/zlinuxcomponents/alsaplayer/alsaplayer_main.cpp)
 zadd_executable_simple(TARGET audio_recorder_main.out SRC
-                       dep/zlinuxcomponents/audio/audio_recorder_main.cpp)
+                       dep/zlinuxcomponents/audio/audio_recorder_main.cpp)
\ No newline at end of file
diff --git a/dep/zlinuxcomponents b/dep/zlinuxcomponents
index 967e379..4709e45 160000
--- a/dep/zlinuxcomponents
+++ b/dep/zlinuxcomponents
@@ -1 +1 @@
-Subproject commit 967e3791e74c91cb0016526ae412658eac841654
+Subproject commit 4709e454d71e4656d92f2badcd17ddb5de668265
diff --git a/env/speaker_control.sh b/env/speaker_control.sh
new file mode 100644
index 0000000..22f0a09
--- /dev/null
+++ b/env/speaker_control.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+#
+# 引脚编号:GPIO2-A3 
+# Linux中对应的编号: 32*2 + (A-A)*8 + 3 = GPIO67
+#
+
+
+# 配置GPIO1_D4
+echo 60 > /sys/class/gpio/export
+echo out > /sys/class/gpio/gpio60/direction
+echo 1 > /sys/class/gpio/gpio60/value
+