diff --git a/src/core/languages/gen.sh b/src/core/languages/gen.sh
index caffd09..4332516 100755
--- a/src/core/languages/gen.sh
+++ b/src/core/languages/gen.sh
@@ -29,9 +29,10 @@ grep --include=\*.{coffee,tag} -roh "$1" -e '__("[^"]*"' | while read -r line ;
         echo -e "\t\"$SUBSTRING\":\"$SUBSTRING\"," >> "tmp.json"
     fi
 done
-grep --include=\*.{coffee,html,tag} -roh "$1" -e '\"__\([^\"]*\)\"' | while read -r line; do
+grep --include=\*.{coffee,html,tag} -roh "$1" -e '\"__([^\"]*)\"' | while read -r line; do
     len=$(( ${#line} - 6 ))
     #echo $len
+    #echo $line
     SUBSTRING=${line:4:len}
     #echo $SUBSTRING
     if  test -f "$2"   && [ ! -z "$(grep  -F "\"$SUBSTRING\":" "$2")" ]
@@ -41,21 +42,26 @@ grep --include=\*.{coffee,html,tag} -roh "$1" -e '\"__\([^\"]*\)\"' | while read
         echo -e "\t\"$SUBSTRING\":\"$SUBSTRING\"," >> "tmp.json"
     fi
 done
-sort tmp.json > tmp1.json
-awk '!a[$0]++' "tmp1.json" > tmp.json
-sed '$ s/.$//' tmp.json > tmp1.json
-# remove duplicate entry
-if test -f $2
+if test -f tmp.json
 then
-    cp $2 "$2.old"
-    sed '$ s/.$//' $2 > tmp.json
-    cat tmp.json > $2
-    echo "," >> $2
-    cat tmp1.json >> $2
-    echo "}" >> "$2"
+    sort tmp.json > tmp1.json
+    awk '!a[$0]++' "tmp1.json" > tmp.json
+    sed '$ s/.$//' tmp.json > tmp1.json
+    # remove duplicate entry
+    if test -f $2
+    then
+        cp $2 "$2.old"
+        sed '$ s/.$//' $2 > tmp.json
+        cat tmp.json > $2
+        echo "," >> $2
+        cat tmp1.json >> $2
+        echo "}" >> "$2"
+    else
+        echo "{"> "$2"
+        cat tmp1.json >> "$2"
+        echo "}" >> "$2"
+    fi
+    rm tmp.json tmp1.json
 else
-     echo "{"> "$2"
-    cat tmp1.json >> "$2"
-    echo "}" >> "$2"
-fi
-rm tmp.json tmp1.json
\ No newline at end of file
+    echo "Nothing change"
+fi
\ No newline at end of file
diff --git a/src/core/languages/vi_VN.json b/src/core/languages/vi_VN.json
index b0ff321..c946656 100644
--- a/src/core/languages/vi_VN.json
+++ b/src/core/languages/vi_VN.json
@@ -255,4 +255,16 @@
 	"Please select an entry":"Vui lòng chọn 1 mục từ danh sách",
 	"Startup applications":"Ứng dụng khởi chạy",
 	"Startup services":"Dịch vụ khởi chạy"
+
+,
+	"Cannot export to PNG in this browser: {0}":"Cannot export to PNG in this browser: {0}",
+	"Cannot export to {0}: {1}":"Cannot export to {0}: {1}",
+	"Cannot export: {0}":"Cannot export: {0}",
+	"Export as":"Export as",
+	"File exported":"File exported",
+	"Syntax error: {0}":"Syntax error: {0}"
+
+,
+	"Graph editor":"Graph editor",
+	"Render":"Render"
 }
diff --git a/src/core/languages/vi_VN.json.old b/src/core/languages/vi_VN.json.old
index 615f366..1c0405f 100644
--- a/src/core/languages/vi_VN.json.old
+++ b/src/core/languages/vi_VN.json.old
@@ -246,6 +246,21 @@
 	"Edit mount point":"Sửa điểm truy cập"
 
 ,
-	"Services":"Services",
-	"Startup":"Startup"
+	"Services":"Dịch vụ",
+	"Startup":"Khởi chạy"
+
+,
+	"Add application":"Thêm ứng dụng",
+	"Add service":"Thêm dịch vụ",
+	"Please select an entry":"Vui lòng chọn 1 mục từ danh sách",
+	"Startup applications":"Ứng dụng khởi chạy",
+	"Startup services":"Dịch vụ khởi chạy"
+
+,
+	"Cannot export to PNG in this browser: {0}":"Cannot export to PNG in this browser: {0}",
+	"Cannot export to {0}: {1}":"Cannot export to {0}: {1}",
+	"Cannot export: {0}":"Cannot export: {0}",
+	"Export as":"Export as",
+	"File exported":"File exported",
+	"Syntax error: {0}":"Syntax error: {0}"
 }