diff --git a/README.md b/README.md
index 6a43666..9ff59da 100755
--- a/README.md
+++ b/README.md
@@ -25,10 +25,6 @@ solved.ac는 계속 커뮤니티 프로젝트로 남을 것입니다. 지금까
### 문제 난이도 표시
-### 문제 난이도 의견 제출
-
-
-
## 소스로부터 설치
### Chrome
diff --git a/manifest.json b/manifest.json
index d2eb4b9..adf548d 100755
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
{
"name": "solved.ac",
- "version": "1.2.4.1",
- "description": "Problem difficulty informations for BOJ",
+ "version": "1.3",
+ "description": "우리 모두가 만들어가는 알고리즘 문제해결 학습의 이정표 🚩 Problem difficulty informations for BOJ",
"manifest_version": 2,
"author": "shiftpsh",
"icons": {
diff --git a/src/content/main.js b/src/content/main.js
index 2f833af..783e556 100644
--- a/src/content/main.js
+++ b/src/content/main.js
@@ -1,143 +1,27 @@
-loadScript('/src/injected/tagify.2.31.3.min.js')
-loadScript('/src/injected/voting.js')
-
-async function initializeVoting(problemId, defaultLevel, myVote) {
- const token = await getPrefs('token')
-
- var params = {
- "token": token
- }
-
- const currentUser = await (await fetch("https://api.solved.ac/validate_token.php",
- {
- method: 'POST',
- headers: {
- 'Accept': 'application/json',
- 'Content-Type': 'application/json'
- },
- body: JSON.stringify(params)
- })
- ).json()
-
- var user = currentUser.user
- if (user.level < 16 && user.user_id !== "solvedac") return
- if (!document.querySelector(".label-success") && user.user_id !== "solvedac") return
-
- const algorithms = await (await fetch("https://api.solved.ac/algorithms.php")).json()
- const showTagsInEnglish = JSON.parse(await getPrefs('show_tags_in_english', 'false'))
-
- const bottom = document.querySelector(".col-md-12:nth-child(4)")
- var visibleState = "poll_shown"
- if (myVote) visibleState = "poll_hidden"
- bottom.outerHTML += "