diff --git a/crawler/leetcode-cn.js b/crawler/leetcode-cn.js
index e42da14..2657be9 100644
--- a/crawler/leetcode-cn.js
+++ b/crawler/leetcode-cn.js
@@ -10,53 +10,57 @@ async function getLeetCodeCnInfo(username) {
     acceptance: '0%',
     star_rating: 0
   };
-  let headers = {
-    'authority': 'leetcode.cn',
-    'content-type': 'application/json',
-    'origin': 'https://leetcode.cn',
-    'sec-fetch-site': 'same-origin',
-    'sec-fetch-mode': ' cors',
-    'sec-fetch-dest': 'empty',
-    'referer': `https://leetcode.cn/u/${username}/`,
-    'User-Agent':
-      'Mozilla/5.0 (Linux; Android 5.0; SM-G900P Build/LRX21T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.104 Mobile Safari/537.36'
-
-  };
+  
+  let headers = {};
+  
   try {
-    let endPoints = [
-      {
-        url: `https://leetcode.cn/graphql`,
-        data: {
-          'operationName': 'userQuestionProgress',
-          'variables': { 'userSlug': `${username}` },
-          'query': 'query userQuestionProgress($userSlug: String\u0021) {  userProfileUserQuestionProgress(userSlug: $userSlug) {    numAcceptedQuestions {      difficulty      count      __typename    }    numFailedQuestions {      difficulty      count      __typename    }    numUntouchedQuestions {      difficulty      count      __typename    }    __typename  }}'
+    let queryData = {
+      query: `
+        query userSessionProgress($userSlug: String!) {
+          userProfileUserQuestionSubmitStats(userSlug: $userSlug) {
+            acSubmissionNum {
+              difficulty
+              count
+            }
+            totalSubmissionNum {
+              difficulty
+              count
+            }
+          }
+          userProfileUserQuestionProgress(userSlug: $userSlug) {
+            numAcceptedQuestions {
+              difficulty
+              count
+            }
+            numFailedQuestions {
+              difficulty
+              count
+            }
+            numUntouchedQuestions {
+              difficulty
+              count
+            }
+          }
         }
-      }, {
-        url: `https://leetcode.cn/graphql`,
-        data: {
-          'operationName': 'userQuestionSubmitStats',
-          'variables': { 'userSlug': `${username}` },
-          'query': 'query userQuestionSubmitStats($userSlug: String!) {  userProfileUserQuestionSubmitStats(userSlug: $userSlug) {    acSubmissionNum {      difficulty      count      __typename    }    totalSubmissionNum {      difficulty      count      __typename    }    __typename  }}'
-        }
-      }
-    ];
-    let [userQuestionProgressResponse, userQuestionSubmitStatsResponse] = await Promise.all(endPoints.map(endPoint => axios.post(endPoint.url, endPoint.data, {
-      headers
-    })));
-    result.easy_solved = userQuestionProgressResponse.data.data.userProfileUserQuestionProgress.numAcceptedQuestions[0].count;
-    result.medium_solved = userQuestionProgressResponse.data.data.userProfileUserQuestionProgress.numAcceptedQuestions[1].count;
-    result.hard_solved = userQuestionProgressResponse.data.data.userProfileUserQuestionProgress.numAcceptedQuestions[2].count;
+      `,
+      variables: { userSlug: `${username}` },
+      operationName: 'userSessionProgress'
+    };
+
+    let response = await axios.post('https://leetcode.cn/graphql', queryData, { headers });
+
+    const submitStats = response.data.data.userProfileUserQuestionSubmitStats;
+    const progressStats = response.data.data.userProfileUserQuestionProgress;
+
+    result.easy_solved = progressStats.numAcceptedQuestions.find(item => item.difficulty === 'EASY').count;
+    result.medium_solved = progressStats.numAcceptedQuestions.find(item => item.difficulty === 'MEDIUM').count;
+    result.hard_solved = progressStats.numAcceptedQuestions.find(item => item.difficulty === 'HARD').count;
     result.total_solved = result.easy_solved + result.medium_solved + result.hard_solved;
-    let totalSubmitNum = 0;
-    let acceptSubmitNum = 0;
-    for (let i = 0; i < 3; i++) {
-      totalSubmitNum += userQuestionSubmitStatsResponse.data.data.userProfileUserQuestionSubmitStats.totalSubmissionNum[i].count;
-      acceptSubmitNum += userQuestionSubmitStatsResponse.data.data.userProfileUserQuestionSubmitStats.acSubmissionNum[i].count;
-    }
-    result.acceptance = acceptSubmitNum / totalSubmitNum;
-    result.acceptance *= 100;
-    result.acceptance = result.acceptance.toFixed(1);
-    result.acceptance = result.acceptance + '%';
+
+    let totalSubmitNum = submitStats.totalSubmissionNum.reduce((acc, item) => acc + item.count, 0);
+    let acceptSubmitNum = submitStats.acSubmissionNum.reduce((acc, item) => acc + item.count, 0);
+    
+    result.acceptance = ((acceptSubmitNum / totalSubmitNum) * 100).toFixed(1) + '%';
     result.star_rating = 0;
   } catch (e) {
     console.error(e.message);
diff --git a/test-lccn.js b/test-lccn.js
new file mode 100644
index 0000000..49fb368
--- /dev/null
+++ b/test-lccn.js
@@ -0,0 +1,8 @@
+const lccn_crawler = require('./crawler/leetcode-cn');
+
+async function test() {
+  let info = await lccn_crawler("quanpeng")
+  console.log(info)
+}
+
+test();