diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4d97bc..0f25131 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## version 2.13.2
+
+- 增加打开 app 清空题目缓存配置(默认关闭),避免题目缓存数据不同步
+
 ## version 2.13.1
 
 - 题解显示 katex 数学公式
diff --git a/package.json b/package.json
index 485d90e..e7d4124 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "vscode-leetcode-problem-rating",
     "displayName": "LeetCode",
     "description": "LeetCode 官方插件增强, 代码开源, 增加 LeetCode 题目难度分, 给个star吧, 球球了",
-    "version": "2.13.1",
+    "version": "2.13.2",
     "author": "ccagml",
     "publisher": "ccagml",
     "license": "MIT",
@@ -1101,6 +1101,18 @@
                         ],
                         "scope": "application",
                         "description": "Precinct Score Hidden Questions."
+                    },
+                    "leetcode-problem-rating.openClearProblemCache": {
+                        "type": "boolean",
+                        "default": false,
+                        "scope": "application",
+                        "description": "Clear the Problems cache when opening the app to avoid out-of-sync state"
+                    },
+                    "leetcode-problem-rating.openClearProblemCacheTime": {
+                        "type": "integer",
+                        "default": 3600,
+                        "scope": "application",
+                        "description": "Open the app to clear the cache interval by default 3600 seconds"
                     }
                 }
             }
diff --git a/src/controller/MainController.ts b/src/controller/MainController.ts
index c61b8a1..9bc5bb8 100644
--- a/src/controller/MainController.ts
+++ b/src/controller/MainController.ts
@@ -32,6 +32,14 @@ class MainContorller {
     }
   }
 
+  /**
+   * 检查题目缓存
+   */
+
+  public async deleteProblemCache() {
+    await executeService.deleteProblemCache();
+  }
+
   /**
    * It takes the version number from the package.json file and converts it to a number
    * @param {ExtensionContext} context - ExtensionContext
diff --git a/src/extension.ts b/src/extension.ts
index 1da6a9c..e968a37 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -43,6 +43,7 @@ export async function activate(context: ExtensionContext): Promise<void> {
     mainContorller.initialize(context);
     // 检查node环境
     await mainContorller.checkNodeEnv(context);
+    await mainContorller.deleteProblemCache();
     // 事件监听
     eventController.addEvent();
 
diff --git a/src/rpc/factory/api/cacheApi.ts b/src/rpc/factory/api/cacheApi.ts
index 841e3fc..cf9b45e 100644
--- a/src/rpc/factory/api/cacheApi.ts
+++ b/src/rpc/factory/api/cacheApi.ts
@@ -10,6 +10,7 @@
 import { storageUtils } from "../../utils/storageUtils";
 import { sessionUtils } from "../../utils/sessionUtils";
 import { ApiBase } from "../apiBase";
+import { reply } from "../../utils/ReplyUtils";
 
 class CacheApi extends ApiBase {
   constructor() {
@@ -17,12 +18,24 @@ class CacheApi extends ApiBase {
   }
 
   callArg(argv) {
-    let argv_config = this.api_argv().option("d", {
-      alias: "delete",
-      type: "boolean",
-      describe: "Delete cache by keyword",
-      default: false,
-    });
+    let argv_config = this.api_argv()
+      .option("d", {
+        alias: "delete",
+        type: "boolean",
+        describe: "Delete cache by keyword",
+        default: false,
+      })
+      .option("t", {
+        alias: "lastmodify",
+        type: "string",
+        default: "",
+        describe: "",
+      })
+      .positional("keyword", {
+        type: "string",
+        default: "",
+        describe: "帮助的参数?",
+      });
     argv_config.parseArgFromCmd(argv);
 
     return argv_config.get_result();
@@ -34,15 +47,24 @@ class CacheApi extends ApiBase {
     const name = argv.keyword || "";
     const isInteger = Number.isInteger(Number(name));
 
+    let option_t = Number(argv.t);
+    const need_last_modify_time = Number.isInteger(option_t);
+    if (need_last_modify_time) {
+      option_t *= 1000;
+    }
     const all_data_file = storageUtils.listCache().filter(function (f) {
       return name.length === 0 || (isInteger ? f.name.startsWith(name + ".") : f.name === name);
     });
 
     if (argv.delete) {
+      const cur_time = new Date().getTime();
       for (let f of all_data_file) {
-        storageUtils.delCache(f.name);
+        if (!need_last_modify_time || (f.mtimeMs || 0) + option_t < cur_time) {
+          storageUtils.delCache(f.name);
+        }
       }
     }
+    reply.info(JSON.stringify({ code: 100 }));
   }
 }
 
diff --git a/src/rpc/utils/storageUtils.ts b/src/rpc/utils/storageUtils.ts
index 39a24e5..3bef620 100644
--- a/src/rpc/utils/storageUtils.ts
+++ b/src/rpc/utils/storageUtils.ts
@@ -266,6 +266,7 @@ class StorageUtils {
           name: k,
           size: stat.size,
           mtime: stat.mtime,
+          mtimeMs: stat.mtimeMs,
         };
       });
   }
@@ -463,7 +464,6 @@ class StorageUtils {
     return lineContent.substring(cut_pos);
   }
 
-
   public meta(filename) {
     const m = Object.assign({}, defaultMETA, {});
 
@@ -476,8 +476,7 @@ class StorageUtils {
     for (let all_input = 0; all_input < file_info.length; all_input++) {
       const lineContent = file_info[all_input];
       if (caseFlag && lineContent.indexOf("@lcpr case=end") < 0) {
-        curCase += this.fix_lineContent(lineContent).replace(/\s+/g, "")
-          .replace(/\\n/g, "\n");
+        curCase += this.fix_lineContent(lineContent).replace(/\s+/g, "").replace(/\\n/g, "\n");
       }
       // 收集所有用例
       if (lineContent.indexOf("@lcpr case=start") >= 0) {
diff --git a/src/service/ExecuteService.ts b/src/service/ExecuteService.ts
index 1269e27..8b53351 100644
--- a/src/service/ExecuteService.ts
+++ b/src/service/ExecuteService.ts
@@ -19,6 +19,7 @@ import { getNodePath } from "../utils/ConfigUtils";
 import { openUrl, promptForOpenOutputChannel } from "../utils/OutputUtils";
 import * as systemUtils from "../utils/SystemUtils";
 import { toWslPath, useWsl } from "../utils/SystemUtils";
+import { getOpenClearProblemCacheTime, isOpenClearProblemCache } from "../utils/ConfigUtils";
 
 class ExecuteService implements Disposable {
   private leetCodeCliResourcesRootPath: string;
@@ -82,6 +83,24 @@ class ExecuteService implements Disposable {
     return true;
   }
 
+  // 多机同步,可能题目缓存会导致不一致
+  public async deleteProblemCache() {
+    if (isOpenClearProblemCache()) {
+      try {
+        await this.executeCommandWithProgressEx("正在清除缓存~", this.nodeExecutable, [
+          await this.getLeetCodeBinaryPath(),
+          "cache",
+          "-d",
+          "problems",
+          "-t",
+          getOpenClearProblemCacheTime().toString(),
+        ]);
+      } catch (error) {
+        await promptForOpenOutputChannel("Failed to delete cache. 请查看控制台信息~", OutPutType.error);
+      }
+    }
+  }
+
   public async deleteCache() {
     try {
       await this.executeCommandWithProgressEx("正在清除缓存~", this.nodeExecutable, [
diff --git a/src/utils/ConfigUtils.ts b/src/utils/ConfigUtils.ts
index 38251ac..f6ca700 100644
--- a/src/utils/ConfigUtils.ts
+++ b/src/utils/ConfigUtils.ts
@@ -383,3 +383,13 @@ export function getIncludeTemplate(lang: string): string {
 
   return result;
 }
+
+// 获取清除缓存修改时间间隔
+export function getOpenClearProblemCacheTime(): number {
+  return getVsCodeConfig().get<number>("openClearProblemCacheTime") || 3600;
+}
+
+// 是否打开清除题目缓存
+export function isOpenClearProblemCache(): boolean {
+  return getVsCodeConfig().get<boolean>("openClearProblemCache", false);
+}