diff --git a/bash_tools.sh b/bash_tools.sh
index 8fef881..5768d0f 100644
--- a/bash_tools.sh
+++ b/bash_tools.sh
@@ -13,8 +13,6 @@ else
     DOTFILE_DIR=$(dirname ${BASH_SOURCE[0]})/
 fi
 
-source "$DOTFILE_DIR/bash_tools/helper.sh"
-
 function ipinfo(){
     local api_str="http://ip-api.com/json/$1?fields=query,country,regionName,city,district,zip,isp,org,reverse,mobile,proxy,hosting"
     if ! hash python; then
@@ -36,7 +34,7 @@ function odict(){
 
 # self host directory
 function dict(){
-    python $DOTFILE_DIR/bash_tools/dict.py $1
+    python $DOTFILE_DIR/bash_tools/dict.py $1 $2
 }
 
 # Linux specific functions
diff --git a/bash_tools/helper.sh b/bash_tools/helper.sh
deleted file mode 100644
index 35e6870..0000000
--- a/bash_tools/helper.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-# get self-host server ip
-SERVERIP=x.useless.pw
-
-$(which ifconfig > /dev/null 2>&1) && \
-    ip=$(ifconfig | grep -Po "10.0.0.[01][0-9]+")
-
-[ "$ip" != "" ] && SERVERIP=10.0.0.100