diff --git a/README.md b/README.md
index 1edbd5e..3d907f4 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 ## next features
 
 1. fix bugs
-2. compress output data size
+2. compress output data size ✔
 3. usage mode
 4. unit test
 5. controls
diff --git a/package.json b/package.json
index 8c094eb..2c0f441 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.7.7",
+  "version": "0.7.8",
   "scripts": {
     "dev": "vite",
     "lib": "tsc && vite build --mode lib",