diff --git a/README.md b/README.md
index 04fc9e7..a3106ef 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ This repository consist of these parts:
 I take `zh-cn` (Chinese) as a example. Navigate to NlpTr folder first. and you will find following files.
 
 * `VT25.zh-cn.json`
+* `VT30.zh-cn.json`
 * `VT35.zh-cn.json`
 * `VT40.zh-cn.json`
 * `VT50.zh-cn.json`
diff --git a/Scripts/compile_codec.sh b/Scripts/compile_codec.sh
index cfc0cd8..b13a366 100644
--- a/Scripts/compile_codec.sh
+++ b/Scripts/compile_codec.sh
@@ -3,3 +3,4 @@ mkdir out
 cd out
 cmake ..
 make
+cd ../..
diff --git a/Scripts/compile_tr.sh b/Scripts/compile_tr.sh
index 7d77ec3..d13ad73 100644
--- a/Scripts/compile_tr.sh
+++ b/Scripts/compile_tr.sh
@@ -14,3 +14,4 @@ do
 		../../NlpCodec/out/NlpCodec encode $txt_file $nlp_file
 	fi
 done
+cd ../..
diff --git a/Scripts/create_new_tr.sh b/Scripts/create_new_tr.sh
index 6d1a6d4..16dc2ad 100644
--- a/Scripts/create_new_tr.sh
+++ b/Scripts/create_new_tr.sh
@@ -10,6 +10,7 @@ fi
 
 cd NlpTr
 cp VT25.template.json "VT25."$1".json"
+cp VT30.template.json "VT30."$1".json"
 cp VT35.template.json "VT35."$1".json"
 cp VT40.template.json "VT40."$1".json"
 cp VT50.template.json "VT50."$1".json"