diff --git a/asound_2mic.conf b/asound_2mic.conf
index 4b13cb1..2e26f0d 100644
--- a/asound_2mic.conf
+++ b/asound_2mic.conf
@@ -1,6 +1,10 @@
 # The IPC key of dmix or dsnoop plugin must be unique
 # If 555555 or 666666 is used by other processes, use another one
 
+
+# use samplerate to resample as speexdsp resample is bad
+defaults.pcm.rate_converter "samplerate"
+
 pcm.!default {
     type asym
     playback.pcm "playback"
@@ -19,14 +23,14 @@ pcm.capture {
 
 pcm.dmixed {
     type dmix
-    slave.pcm "hw:0,0"
+    slave.pcm "hw:seeed2micvoicec"
     ipc_key 555555 
 }
 
 pcm.array {
     type dsnoop
     slave {
-        pcm "hw:0,0"
+        pcm "hw:seeed2micvoicec"
         channels 2
     }
     ipc_key 666666
diff --git a/asound_4mic.conf b/asound_4mic.conf
index d3cb82c..12d2ab8 100644
--- a/asound_4mic.conf
+++ b/asound_4mic.conf
@@ -1,6 +1,9 @@
 # The IPC key of dmix or dsnoop plugin must be unique
 # If 555555 or 666666 is used by other processes, use another one
 
+# use samplerate to resample as speexdsp resample is bad
+defaults.pcm.rate_converter "samplerate"
+
 pcm.!default {
     type asym
     playback.pcm "playback"
@@ -9,22 +12,22 @@ pcm.!default {
 
 pcm.playback {
     type plug
-    slave.pcm "hw:0,0"
+    slave.pcm "hw:ALSA"
 }
 
-pcm.dmixed {
-    type dmix
-    slave.pcm "hw:0,0"
-    ipc_key 555555 
-}
+# pcm.dmixed {
+#     type dmix
+#     slave.pcm "hw:0,0"
+#     ipc_key 555555 
+# }
 
 pcm.ac108 {
     type plug
-    slave.pcm "multiapps"
+    slave.pcm "hw:seeed4micvoicec"
 }
 
-pcm.multiapps {
-    type dsnoop
-    ac108-slavepcm "hw:1,0"
-    ipc_key 666666
-}
+# pcm.multiapps {
+#     type dsnoop
+#     ac108-slavepcm "hw:1,0"
+#     ipc_key 666666
+# }
diff --git a/asound_6mic.conf b/asound_6mic.conf
index 180aac0..9d2a19a 100644
--- a/asound_6mic.conf
+++ b/asound_6mic.conf
@@ -1,68 +1,56 @@
 # The IPC key of dmix or dsnoop plugin must be unique
 # If 555555 or 666666 is used by other processes, use another one
 
+# use samplerate to resample as speexdsp resample is bad
+defaults.pcm.rate_converter "samplerate"
+
 pcm.!default {
     type asym
-    playback.pcm "playback"
+    playback.pcm "ac101"
     capture.pcm "ac108"
 }
 
-pcm.playback {
-    type plug
-    slave {
-        rate 48000
-        format S32_LE
-        pcm "hw:1,0"
-    }
-}
-
-pcm.dmixed {
-    type dmix
-    slave.pcm "hw:0,0"
-    ipc_key 555555 
-}
 
 pcm.ac108 {
     type plug
-    slave.pcm "multiapps"
-}
-
-pcm.multiapps {
-    type dsnoop
     slave {
         rate 48000
         format S32_LE
-        pcm "hw:1,0"
+        pcm "hw:seeed8micvoicec"
     }
-    ipc_key 666666
 }
 
+# pcm.multiapps {
+#     type dsnoop
+#     slave {
+#         rate 48000
+#         format S32_LE
+#         pcm "hw:seeed8micvoicec"
+#     }
+#     ipc_key 666666
+# }
+
 pcm.ac101 {
 	type plug
 	slave {
 		pcm {
-			type dmix
-			ipc_key 1048576
-				slave {
-				pcm		"hw:1,0"
+			type route
+			slave {
+				pcm		"hw:seeed8micvoicec"
 				format		S32_LE
-				# rate		16000
 				channels	8
 			}
-			bindings {
-				# map 2 channels input to
-				# first 2 channels of 8 output
-				0	0
-				1	1
-				0	2
-				1	3
-				0	4
-				1	5
-				0	6
-				1	7
-			}
+			ttable.0.0 1
+			ttable.1.1 1
+			ttable.0.2 1
+			ttable.1.3 1
+			ttable.0.4 1
+			ttable.1.5 1
+			ttable.0.6 1
+			ttable.1.7 1
 		}
 		channels	2
+		rate 48000
 	}
 }
 
diff --git a/install.sh b/install.sh
index e41610b..9b23560 100755
--- a/install.sh
+++ b/install.sh
@@ -20,7 +20,7 @@ marker="0.0.0"
 
 apt update
 apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel 
-apt-get -y install  dkms git i2c-tools
+apt-get -y install  dkms git i2c-tools libasound2-plugins
 
 # locate currently installed kernels (may be different to running kernel if
 # it's just been updated)
@@ -82,6 +82,20 @@ mkdir /etc/voicecard || true
 cp *.conf /etc/voicecard
 cp *.state /etc/voicecard
 
+#create git repo
+git_email=$(git config --global --get user.email)
+git_name=$(git config --global --get user.name)
+if [ "x${git_email}" == "x" ] || [ "x${git_name}" == "x" ] ; then
+    echo "setup git config"
+    git config --global user.email "respeaker@seeed.cc"
+    git config --global user.name "respeaker"
+fi
+echo "git init"
+git --git-dir=/etc/voicecard/.git init
+echo "git add --all"
+git --git-dir=/etc/voicecard/.git --work-tree=/etc/voicecard/ add --all
+echo "git commit -m \"origin configures\""
+git --git-dir=/etc/voicecard/.git --work-tree=/etc/voicecard/ commit  -m "origin configures"
 
 cp seeed-voicecard /usr/bin/
 cp seeed-voicecard.service /lib/systemd/system/
diff --git a/pulseaudio/pulse_config_4mic/seeed-voicecard.conf b/pulseaudio/pulse_config_4mic/seeed-voicecard.conf
index 61b7ff0..1c35e17 100644
--- a/pulseaudio/pulse_config_4mic/seeed-voicecard.conf
+++ b/pulseaudio/pulse_config_4mic/seeed-voicecard.conf
@@ -3,30 +3,14 @@
 [General]
 auto-profiles = no
 [Mapping seeed-source]
-device-strings = ac108
+device-strings = hw:%f
 channel-map = front-left,front-right,rear-left,rear-right
 exact-channels = false
 fallback = yes
 paths-input = seeed-source
 priority = 3
 direction = input
-[Mapping seeed-sink]
-device-strings = playback
-channel-map = front-left,front-right
-exact-channels = false
-fallback = yes
-paths-output = seeed-sink
-direction = output
-priority = 2
-[Profile output:seeed-sink+input:seeed-source]
-output-mappings = seeed-sink
-input-mappings = seeed-source
-priority = 100
-skip-probe = yes
-[Profile output:seeed-sink]
-output-mappings = seeed-sink
-priority = 4
-skip-probe = yes
+
 [Profile input:seeed-source]
 input-mappings = seeed-source
 priority = 5
diff --git a/pulseaudio/pulse_config_6mic/seeed-voicecard.conf b/pulseaudio/pulse_config_6mic/seeed-voicecard.conf
index 5712a67..282a646 100644
--- a/pulseaudio/pulse_config_6mic/seeed-voicecard.conf
+++ b/pulseaudio/pulse_config_6mic/seeed-voicecard.conf
@@ -3,7 +3,7 @@
 [General]
 auto-profiles = no
 [Mapping seeed-8ch]
-device-strings = hw:1,0
+device-strings = hw:%f
 channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right
 exact-channels = false
 fallback = yes
@@ -11,7 +11,7 @@ paths-input = seeed-8ch
 priority = 3
 direction = input
 [Mapping seeed-2ch]
-device-strings = hw:1,0
+device-strings = hw:%f
 channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right
 exact-channels = false
 exact-channels = false
diff --git a/seeed-voicecard b/seeed-voicecard
index 38bd5df..26648fa 100755
--- a/seeed-voicecard
+++ b/seeed-voicecard
@@ -36,56 +36,43 @@ is_1a=$(i2cdetect -y  1 0x1a 0x1a | grep 1a | awk '{print $2}')
 is_35=$(i2cdetect -y  1 0x35 0x35 | grep 35 | awk '{print $2}')
 is_3b=$(i2cdetect -y  1 0x3b 0x3b | grep 3b | awk '{print $2}')
 
+rm /etc/asound.conf
+rm /var/lib/alsa/asound.state
+
 if [ "x${is_1a}" == "x1a" ] && [ "x${is_35}" == "x" ] ; then
     echo "install 2mic"
     dtoverlay seeed-2mic-voicecard
     sleep 1
-    hw=$(aplay -l | grep seeed2micvoicec | awk '{print $2}' | sed 's/://')
 
-    cp /etc/voicecard/asound_2mic.conf /etc/asound.conf
+    echo "create 2mic asound configure file"
+    ln -s /etc/voicecard/asound_2mic.conf /etc/asound.conf
 
-    echo "get old hw number"
-    old=$(cat /etc/asound.conf | grep hw: | awk 'NR==1 {print $2}' | sed 's/\"//g')
-
-    echo "replace new hw:${hw},0"
-    sed -i -e "s/${old}/hw:${hw},0/g" /etc/asound.conf
-
-    cp /etc/voicecard/wm8960_asound.state /var/lib/alsa/asound.state
+    echo "create 2mic asound status file"
+    ln -s /etc/voicecard/wm8960_asound.state /var/lib/alsa/asound.state
 fi
 
 if [ "x${is_3b}" == "x3b" ] && [ "x${is_35}" == "x" ] ; then
     echo "install 4mic"
     dtoverlay seeed-4mic-voicecard
     sleep 1
-    hw=$(arecord -l | grep seeed4micvoicec | awk '{print $2}' | sed 's/://')
 
-    cp /etc/voicecard/asound_4mic.conf /etc/asound.conf
+    echo "create 4mic asound configure file"
+    ln -s /etc/voicecard/asound_4mic.conf /etc/asound.conf
 
-    echo "get slavepcm line number"
-    line=$(grep -n ac108-slavepcm /etc/asound.conf | awk '{print $1}' | sed 's/://')
-
-    echo "delete ${line} slavepcm hw number"
-    sed -i -e "${line}d"  /etc/asound.conf
-
-    echo "insert slavepcm hw:${hw},0"
-    sed -i "${line}i slave.pcm \"hw:${hw},0\""  /etc/asound.conf
-
-    cp /etc/voicecard/ac108_asound.state /var/lib/alsa/asound.state
+    echo "create 4mic asound status file"
+    ln -s /etc/voicecard/ac108_asound.state /var/lib/alsa/asound.state
 fi
 
 if [ "x${is_3b}" == "x3b" ] && [ "x${is_35}" == "x35" ] ; then
     echo "install 6mic"
     dtoverlay seeed-8mic-voicecard
     sleep 1
-    hw=$(aplay -l | grep seeed8micvoicec | awk '{print $2}' | sed 's/://')
 
-    cp /etc/voicecard/asound_6mic.conf /etc/asound.conf
+    echo "create 6mic asound configure file"
+    ln -s /etc/voicecard/asound_6mic.conf /etc/asound.conf
 
-    old=$(cat /etc/asound.conf | grep hw: | awk 'NR==1 {print $2}' | sed 's/\"//g')
-
-    sed -i -e "s/${old}/hw:${hw},0/g" /etc/asound.conf  
-
-    cp /etc/voicecard/ac108_6mic.state /var/lib/alsa/asound.state
+    echo "create 6mic asound status file"
+    ln -s /etc/voicecard/ac108_6mic.state /var/lib/alsa/asound.state
 fi
 
 alsactl restore