diff --git a/bash_tools.sh b/bash_tools.sh
index 5b77f72..c0d8479 100644
--- a/bash_tools.sh
+++ b/bash_tools.sh
@@ -1,3 +1,4 @@
+source bash_tools/helper.sh
 # args:
 # $1: 
 # The IP address you want to query geo info for.
@@ -25,6 +26,16 @@ function odict(){
    curl dict://dict.org/d:"${1}"
 }
 
+# self host directory
+function dict(){
+    local api_str="http://$SERVERIP:10008/$1"
+    if ! hash python; then
+        curl "$api_str"
+    else
+        curl -s "$api_str" | python -m json.tool
+    fi
+}
+
 
 # Linux specific functions
 if [[ "$OSTYPE" == "linux-gnu"* ]]; then
@@ -38,7 +49,6 @@ function set_wallpaper(){
     gsettings set org.gnome.desktop.background picture-uri file://$file
 }
 
-
 fi
 
 # Mac OSX specific functions
diff --git a/bash_tools/helper.sh b/bash_tools/helper.sh
new file mode 100644
index 0000000..c0413d2
--- /dev/null
+++ b/bash_tools/helper.sh
@@ -0,0 +1,3 @@
+SERVERIP=x.useless.pw
+ip=$(ifconfig | grep -Po 10.0.0.[01][0-9]+)
+[ "$ip" != "" ] && SERVERIP=10.0.0.100