diff --git a/src/static/static/home/yi-hack/script/clean_records.sh b/src/static/static/home/yi-hack/script/clean_records.sh
index d656d1b..fd60c56 100755
--- a/src/static/static/home/yi-hack/script/clean_records.sh
+++ b/src/static/static/home/yi-hack/script/clean_records.sh
@@ -19,37 +19,41 @@ fi
 MAX_AVI_NUMBER=10
 USED_SPACE_LIMIT=$((100-$1))
 
-cd /tmp/sd/record/timelapse
-AVI_NUMBER=`ls -lt | grep .avi | awk 'END{print NR}'`
-while [ "$AVI_NUMBER" -gt "$MAX_AVI_NUMBER" ]
-do
-    OLD_FILE=`ls -lt | grep .avi | awk 'END{print}' | awk '{print $9}'`
-    if [ ! -z "$OLD_FILE" ]; then
-        echo "Deleting file $OLD_FILE"
-        rm -f $OLD_FILE
-        AVI_NUMBER=`ls -lt | grep .avi | awk 'END{print NR}'`
-    else
-        break
-    fi
-done
-
-cd /tmp/sd/record
-USED_SPACE=`df -h /tmp/sd/ | grep mmc | awk '{print $5}' | tr -d '%'`
-
-if [ -z "$USED_SPACE" ]; then
-    exit
+if [ -d /tmp/sd/record/timelapse ]; then
+    cd /tmp/sd/record/timelapse
+    AVI_NUMBER=`ls -lr | grep .avi | awk 'END{print NR}'`
+    while [ "$AVI_NUMBER" -gt "$MAX_AVI_NUMBER" ]
+    do
+        OLD_FILE=`ls -lr | grep .avi | awk 'END{print}' | awk '{print $9}'`
+        if [ ! -z "$OLD_FILE" ]; then
+            echo "Deleting file $OLD_FILE"
+            rm -f $OLD_FILE
+            AVI_NUMBER=`ls -lr | grep .avi | awk 'END{print NR}'`
+        else
+            break
+        fi
+    done
 fi
 
-while [ "$USED_SPACE" -gt "$USED_SPACE_LIMIT" ]
-do
-    OLD_DIR=`ls -lt | grep -v tmp | grep -v timelapse | tail -n1 | awk '{print $9}'`
-    if [ ! -z "$OLD_DIR" ]; then
-        echo "Deleting dir $OLD_DIR"
-        rm -rf $OLD_DIR
-    else
-        break
-    fi
+if [ -d /tmp/sd/record ]; then
+    cd /tmp/sd/record
     USED_SPACE=`df -h /tmp/sd/ | grep mmc | awk '{print $5}' | tr -d '%'`
-done
+
+    if [ -z "$USED_SPACE" ]; then
+        exit
+    fi
+
+    while [ "$USED_SPACE" -gt "$USED_SPACE_LIMIT" ]
+    do
+        OLD_DIR=`ls -lr | grep -v tmp | grep -v timelapse | tail -n1 | awk '{print $9}'`
+        if [ ! -z "$OLD_DIR" ]; then
+            echo "Deleting dir $OLD_DIR"
+            rm -rf $OLD_DIR
+        else
+            break
+        fi
+        USED_SPACE=`df -h /tmp/sd/ | grep mmc | awk '{print $5}' | tr -d '%'`
+    done
+fi
 
 echo "Done!"
diff --git a/src/www/httpd/cgi-bin/camera_settings.sh b/src/www/httpd/cgi-bin/camera_settings.sh
index c3c7b40..6abe67e 100755
--- a/src/www/httpd/cgi-bin/camera_settings.sh
+++ b/src/www/httpd/cgi-bin/camera_settings.sh
@@ -43,6 +43,8 @@ do
     if [ "$CONF" == "switch_on" ] ; then
         if [ "$VAL" == "no" ] ; then
             ipc_cmd -t off
+            sleep 1
+            ipc_cmd -T  # Stop current motion detection event
         else
             ipc_cmd -t on
         fi
diff --git a/src/www/httpd/cgi-bin/getlastrecordedsnapshot.sh b/src/www/httpd/cgi-bin/getlastrecordedsnapshot.sh
index 6b22cc7..d237168 100755
--- a/src/www/httpd/cgi-bin/getlastrecordedsnapshot.sh
+++ b/src/www/httpd/cgi-bin/getlastrecordedsnapshot.sh
@@ -56,7 +56,7 @@ if [ "$OLDNESS" -lt "0" ]; then
     if [ -f "/tmp/sd/record/tmp.mp4.tmp" ]; then
         # A file is being recorded, therefore, try to get it when it finished saving.
         # First, we get the last directory.
-        for f in `ls -At /tmp/sd/record | grep H`; do
+        for f in `ls -Ar /tmp/sd/record | grep H`; do
             if [ ${#f} == 14 ]; then
                 DIRNAME="$f"
                 break;
@@ -64,14 +64,14 @@ if [ "$OLDNESS" -lt "0" ]; then
         done
 
         # Now we get the number of directories and files in the last modified directory.
-        FILECOUNT=`ls -At /tmp/sd/record/$DIRNAME | grep .jpg -c`
-        DIRCOUNT=`ls -At /tmp/sd/record/ | grep H -c`
+        FILECOUNT=`ls -Ar /tmp/sd/record/$DIRNAME | grep .jpg -c`
+        DIRCOUNT=`ls -Ar /tmp/sd/record/ | grep H -c`
         SLEEPCOUNT=0
-        while [ "$FILECOUNT" -eq `ls -At /tmp/sd/record/$DIRNAME | grep .jpg -c` ]; do
+        while [ "$FILECOUNT" -eq `ls -Ar /tmp/sd/record/$DIRNAME | grep .jpg -c` ]; do
             if [ "$SLEEPCOUNT" -gt 800 ]; then
                 # After 80 seconds, we break the wait.
                 break;
-            elif [ "$DIRCOUNT" -lt `ls -At /tmp/sd/record/ | grep H -c` ]; then
+            elif [ "$DIRCOUNT" -lt `ls -Ar /tmp/sd/record/ | grep H -c` ]; then
                 # If a new dir comes, we break the wait.
                 break;
             fi
@@ -82,7 +82,7 @@ if [ "$OLDNESS" -lt "0" ]; then
 fi
 
 
-for f in `ls -At /tmp/sd/record | grep H`; do
+for f in `ls -Ar /tmp/sd/record | grep H`; do
     if [ ${#f} == 14 ]; then
         DIRNAME="$f"
         break;
@@ -90,9 +90,9 @@ for f in `ls -At /tmp/sd/record | grep H`; do
 done
 # In $DIRNAME we now has the last modified directory.
 
-COUNT=`ls -At /tmp/sd/record/$DIRNAME | grep .jpg -c`
+COUNT=`ls -Ar /tmp/sd/record/$DIRNAME | grep .jpg -c`
 IDX=1
-for f in `ls -At /tmp/sd/record/$DIRNAME | grep .jpg`; do
+for f in `ls -Ar /tmp/sd/record/$DIRNAME | grep .jpg`; do
     if [ ${#f} == 12 ] || [ ${#f} == 14 ]; then
         IMGNAME="$f"
         if [ "$IDX" -ge "$OLDNESS" ]; then
diff --git a/src/www/httpd/cgi-bin/getlastrecordedvideo.sh b/src/www/httpd/cgi-bin/getlastrecordedvideo.sh
index 918fdf1..2df70d2 100755
--- a/src/www/httpd/cgi-bin/getlastrecordedvideo.sh
+++ b/src/www/httpd/cgi-bin/getlastrecordedvideo.sh
@@ -58,7 +58,7 @@ if [ "$OLDNESS" -lt "0" ]; then
     if [ -f "/tmp/sd/record/tmp.mp4.tmp" ]; then
         # A file is being recorded, therefore, try to get it when it finished saving.
         # First, we get the last directory.
-        for f in `ls -At /tmp/sd/record | grep H`; do
+        for f in `ls -Ar /tmp/sd/record | grep H`; do
             if [ ${#f} == 14 ]; then
                 DIRNAME="$f"
                 break;
@@ -66,14 +66,14 @@ if [ "$OLDNESS" -lt "0" ]; then
         done
 
         # Now we get the number of directories and files in the last modified directory.
-        FILECOUNT=`ls -At /tmp/sd/record/$DIRNAME | grep .mp4 -c`
-        DIRCOUNT=`ls -At /tmp/sd/record/ | grep H -c`
+        FILECOUNT=`ls -Ar /tmp/sd/record/$DIRNAME | grep .mp4 -c`
+        DIRCOUNT=`ls -Ar /tmp/sd/record/ | grep H -c`
         SLEEPCOUNT=0
-        while [ "$FILECOUNT" -eq `ls -At /tmp/sd/record/$DIRNAME | grep .mp4 -c` ]; do
+        while [ "$FILECOUNT" -eq `ls -Ar /tmp/sd/record/$DIRNAME | grep .mp4 -c` ]; do
             if [ "$SLEEPCOUNT" -gt 800 ]; then
                 # After 80 seconds, we break the wait.
                 break;
-            elif [ "$DIRCOUNT" -lt `ls -At /tmp/sd/record/ | grep H -c` ]; then
+            elif [ "$DIRCOUNT" -lt `ls -Ar /tmp/sd/record/ | grep H -c` ]; then
                 # If a new dir comes, we break the wait.
                 break;
             fi
@@ -84,7 +84,7 @@ if [ "$OLDNESS" -lt "0" ]; then
 fi
 
 
-for f in `ls -At /tmp/sd/record | grep H`; do
+for f in `ls -Ar /tmp/sd/record | grep H`; do
     if [ ${#f} == 14 ]; then
         DIRNAME="$f"
         break;
@@ -92,9 +92,9 @@ for f in `ls -At /tmp/sd/record | grep H`; do
 done
 # In $DIRNAME we now has the last modified directory.
 
-COUNT=`ls -At /tmp/sd/record/$DIRNAME | grep .mp4 -c`
+COUNT=`ls -Ar /tmp/sd/record/$DIRNAME | grep .mp4 -c`
 IDX=1
-for f in `ls -At /tmp/sd/record/$DIRNAME | grep .mp4`; do
+for f in `ls -Ar /tmp/sd/record/$DIRNAME | grep .mp4`; do
     if [ ${#f} == 12 ] || [ ${#f} == 14 ]; then
         VIDNAME="$f"
         if [ "$IDX" -ge "$OLDNESS" ]; then