diff --git a/src/main/java/com/shuzijun/leetcode/plugin/manager/ArticleManager.java b/src/main/java/com/shuzijun/leetcode/plugin/manager/ArticleManager.java
index 11e704f4..34dbf9b5 100644
--- a/src/main/java/com/shuzijun/leetcode/plugin/manager/ArticleManager.java
+++ b/src/main/java/com/shuzijun/leetcode/plugin/manager/ArticleManager.java
@@ -5,6 +5,7 @@
 import com.alibaba.fastjson.JSONObject;
 import com.intellij.openapi.project.Project;
 import com.intellij.ui.JBColor;
+import com.shuzijun.leetcode.plugin.model.Constant;
 import com.shuzijun.leetcode.plugin.model.Question;
 import com.shuzijun.leetcode.plugin.model.Solution;
 import com.shuzijun.leetcode.plugin.setting.PersistentConfig;
@@ -35,7 +36,7 @@ public class ArticleManager {
 
     public static void openArticle(Question question, Project project) {
 
-        String filePath = PersistentConfig.getInstance().getTempFilePath() + "doc" + File.separator + question.getArticleSlug() + ".md";
+        String filePath = PersistentConfig.getInstance().getTempFilePath() + Constant.DOC_SOLUTION + question.getArticleSlug() + ".md";
 
         File file = new File(filePath);
         if (!file.exists()) {
@@ -118,7 +119,7 @@ public static String formatMarkdown(String content, Project project) {
             String group = latexMatcher.group();
             if (group.contains("\\")) {
                 String fileName = "p_" + group.replaceAll("\\$+| |/|>|<|\\(|\\)|\\s|\\[|]", "_").replace("\\", "") + ".png";
-                String filePath = PersistentConfig.getInstance().getTempFilePath() + "doc" + File.separator + fileName;
+                String filePath = PersistentConfig.getInstance().getTempFilePath() + Constant.DOC_SOLUTION  + fileName;
                 File file = new File(filePath);
                 if (!file.exists()) {
                     if (!file.getParentFile().exists()) {
diff --git a/src/main/java/com/shuzijun/leetcode/plugin/manager/CodeManager.java b/src/main/java/com/shuzijun/leetcode/plugin/manager/CodeManager.java
index 2c22a077..f8a554ad 100644
--- a/src/main/java/com/shuzijun/leetcode/plugin/manager/CodeManager.java
+++ b/src/main/java/com/shuzijun/leetcode/plugin/manager/CodeManager.java
@@ -63,7 +63,7 @@ public static void openContent(Question question, Project project) {
             return;
         }
 
-        String filePath = PersistentConfig.getInstance().getTempFilePath() + VelocityUtils.convert(config.getCustomFileName(), question) + ".md";
+        String filePath = PersistentConfig.getInstance().getTempFilePath() + Constant.DOC_CONTENT  + VelocityUtils.convert(config.getCustomFileName(), question) + ".md";
 
         File file = new File(filePath);
         if (file.exists()) {
diff --git a/src/main/java/com/shuzijun/leetcode/plugin/manager/QuestionManager.java b/src/main/java/com/shuzijun/leetcode/plugin/manager/QuestionManager.java
index 4882f52b..db670d38 100644
--- a/src/main/java/com/shuzijun/leetcode/plugin/manager/QuestionManager.java
+++ b/src/main/java/com/shuzijun/leetcode/plugin/manager/QuestionManager.java
@@ -50,7 +50,7 @@ public static List<Question> getQuestionService(Project project, String url) {
         }
 
         if (questionList != null && !questionList.isEmpty()) {
-            String filePath = PersistentConfig.getInstance().getTempFilePath() + ALLNAME;
+            String filePath = PersistentConfig.getInstance().getTempFilePath() + Constant.DOC_PATH + ALLNAME;
             FileUtils.saveFile(filePath, JSON.toJSONString(questionList));
             QUESTIONLIST = questionList;
         }
@@ -63,7 +63,7 @@ public static List<Question> getQuestionCache() {
             return QUESTIONLIST;
         }
 
-        String filePath = PersistentConfig.getInstance().getTempFilePath() + ALLNAME;
+        String filePath = PersistentConfig.getInstance().getTempFilePath() + Constant.DOC_PATH + ALLNAME;
         String body = FileUtils.getFileBody(filePath);
 
         if (StringUtils.isBlank(body)) {
@@ -264,7 +264,7 @@ private static void translation(List<Question> questions) {
 
         if (URLUtils.isCn() && !PersistentConfig.getInstance().getConfig().getEnglishContent()) {
 
-            String filePathTranslation = PersistentConfig.getInstance().getTempFilePath() + TRANSLATIONNAME;
+            String filePathTranslation = PersistentConfig.getInstance().getTempFilePath() + Constant.DOC_PATH + TRANSLATIONNAME;
 
             try {
                 HttpRequest httpRequest = HttpRequest.post(URLUtils.getLeetcodeGraphql(), "application/json");
diff --git a/src/main/java/com/shuzijun/leetcode/plugin/manager/SubmissionManager.java b/src/main/java/com/shuzijun/leetcode/plugin/manager/SubmissionManager.java
index 1e77a3f8..23ce7463 100644
--- a/src/main/java/com/shuzijun/leetcode/plugin/manager/SubmissionManager.java
+++ b/src/main/java/com/shuzijun/leetcode/plugin/manager/SubmissionManager.java
@@ -3,10 +3,7 @@
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.intellij.openapi.project.Project;
-import com.shuzijun.leetcode.plugin.model.CodeTypeEnum;
-import com.shuzijun.leetcode.plugin.model.Config;
-import com.shuzijun.leetcode.plugin.model.Question;
-import com.shuzijun.leetcode.plugin.model.Submission;
+import com.shuzijun.leetcode.plugin.model.*;
 import com.shuzijun.leetcode.plugin.setting.PersistentConfig;
 import com.shuzijun.leetcode.plugin.utils.*;
 import org.apache.commons.lang.StringUtils;
@@ -72,7 +69,7 @@ public static void openSubmission(Submission submission, Question question, Proj
         }
         Config config = PersistentConfig.getInstance().getInitConfig();
         CodeTypeEnum codeTypeEnum = CodeTypeEnum.getCodeTypeEnumByLangSlug(submission.getLang());
-        String filePath = PersistentConfig.getInstance().getTempFilePath() + VelocityUtils.convert(config.getCustomFileName(), question) + submission.getId() + ".txt";
+        String filePath = PersistentConfig.getInstance().getTempFilePath() + Constant.DOC_SUBMISSION + VelocityUtils.convert(config.getCustomFileName(), question) + submission.getId() + ".txt";
 
         File file = new File(filePath);
         if (file.exists()) {
diff --git a/src/main/java/com/shuzijun/leetcode/plugin/model/Constant.java b/src/main/java/com/shuzijun/leetcode/plugin/model/Constant.java
index 87ab209b..7b91980e 100644
--- a/src/main/java/com/shuzijun/leetcode/plugin/model/Constant.java
+++ b/src/main/java/com/shuzijun/leetcode/plugin/model/Constant.java
@@ -1,5 +1,7 @@
 package com.shuzijun.leetcode.plugin.model;
 
+import java.io.File;
+
 /**
  * 常量
  *
@@ -99,5 +101,13 @@ public class Constant {
     public static final String SORT_TYPE_DIFFICULTY = "SortByDifficulty";
     public static final String SORT_TYPE_FREQUENCY = "SortByFrequency";
 
+    /**
+     * path
+     */
+    public static final String DOC_PATH = "doc"+ File.separator;
+    public static final String DOC_SOLUTION = "doc"+ File.separator + "solution" +  File.separator;
+    public static final String DOC_CONTENT = "doc"+ File.separator + "content" +  File.separator;
+    public static final String DOC_SUBMISSION = "doc"+ File.separator + "submission" +  File.separator;
+
 
 }