diff --git a/miniprogram/api/Login.ts b/miniprogram/api/Login.ts
index d44b376..6a52f92 100644
--- a/miniprogram/api/Login.ts
+++ b/miniprogram/api/Login.ts
@@ -32,11 +32,6 @@ interface ILoginOutput {
      */
     actualName: string;
 
-    /**
-     * 用户是否关注了公共号
-     */
-    isSubscribeWxAccount: boolean;
-
     /**
      * 教务处的 session
      */
diff --git a/miniprogram/data/StudentInfo.ts b/miniprogram/data/StudentInfo.ts
index aa6a2a8..2643800 100644
--- a/miniprogram/data/StudentInfo.ts
+++ b/miniprogram/data/StudentInfo.ts
@@ -1,12 +1,46 @@
 import { Data } from "../core/Data";
+import { Storage } from "../core/Storage";
+import { Login, ILoginOutput } from "../api/Login";
 
 /**
  * 登录状态
  */
 enum LoginStatus {
-    
+
+    /**
+     * 已认证
+     */
+    verified = 1,
+
+    /**
+     * 失效的认证
+     * 通常为用户名密码错误
+     */
+    invalid = 2,
+
+    /**
+     * 没有登录信息
+     */
+    none = 3
 }
 
+/**
+ * API 返回数据
+ */
+type ILoginApiData = {
+    [P in keyof ILoginOutput]: {
+        type: ILoginOutput[P];
+        getAsync: () => Promise<ILoginOutput[P]>;
+    }
+}
+
+/**
+ * Storage 缓存数据类型
+ */
+type IStudentInfoStorageData = ILoginOutput & {
+    [P in keyof IStudentInfoData]: IStudentInfoData[P]["type"];
+};
+
 /**
  * 学生信息数据结构
  */
@@ -27,49 +61,94 @@ type IStudentInfoData = {
     };
 
     /**
-     * 身份证后六位
-     * 用于尝试水卡登录
+     * 登录状态
      */
-    idCardLast6: {
-        type: string
-    };
+    loginStatus: {
+        type: LoginStatus
+    }
 
     /**
-     * 使用的教务处链接
+     * 上次登录时间
+     * 时间戳
      */
-    eduService: {
-        type: string
-    };
- 
+    lastLoginTime: {
+        type: number
+    }
+
     /**
-     * 用户的真实姓名
+     * 距离上次登录后
+     * 学号和密码是否发生过改变
      */
-    actualName: {
-        type: string
-    };
- 
-    /**
-     * 用户是否关注了公共号
-     */
-    isSubscribeWxAccount: {
+    isUserInfoChange: {
         type: boolean
-    };
- 
-    /**
-     * 教务处的 session
-     */
-    eduSession: {
-        type: string
-    };
+    }
 }
 
 /**
  * 学生信息
  */
-class StudentInfo extends Data<IStudentInfoData> {
+class StudentInfo extends Data<IStudentInfoData & ILoginApiData> {
+
+    /**
+     * 学生信息缓存
+     */
+    private eduStorage = new Storage<IStudentInfoStorageData>("StudentInfo", {
+        idCardLast6: "",
+        eduService: "",
+        actualName: "",
+        eduSession: "",
+        studentId: "",
+        password: "",
+        loginStatus: LoginStatus.none,
+        lastLoginTime: 0,
+        isUserInfoChange: false
+    });
 
     public override onLoad() {
         
     }
 
-}
\ No newline at end of file
+    /**
+     * 用户登录
+     */
+    private async login(): Promise<boolean> {
+
+        // 获取账号密码
+        const stuId = this.eduStorage.get("studentId");
+        const pwd = this.eduStorage.get("password");
+
+        if (!stuId || !pwd) return false;
+
+        // 发送请求
+        const data = await new Login().param({
+            studentId: stuId,
+            password: pwd
+        }).request().wait();
+
+        // 请求成功
+        let res = data.data;
+        if (res) {
+
+            // 保存数据
+            this.eduStorage.set("actualName", res.actualName);
+            this.eduStorage.set("eduService", res.eduService);
+            this.eduStorage.set("eduSession", res.eduSession);
+            this.eduStorage.set("idCardLast6", res.idCardLast6);
+
+            // 记录时间
+            this.eduStorage.set("lastLoginTime", new Date().getTime());
+
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * 获取状态
+     */
+    private async getStatus() {}
+}
+
+export { StudentInfo };
+export default StudentInfo;
\ No newline at end of file