diff --git a/src/main/java/com/cloverta/webapi/WebapiApplication.java b/src/main/java/com/cloverta/webapi/WebapiApplication.java
index 02a5c80..ac93964 100644
--- a/src/main/java/com/cloverta/webapi/WebapiApplication.java
+++ b/src/main/java/com/cloverta/webapi/WebapiApplication.java
@@ -13,6 +13,7 @@ public class WebapiApplication {
     String home(){
         return "Welcome to Cloverta's WebAPI✨, please visit <a href='https://cloverta.top'>https://cloverta.top</a> for more information.";
     }
+
     public static void main(String[] args) {
         SpringApplication.run(WebapiApplication.class, args);
     }
diff --git a/src/main/java/com/cloverta/webapi/controller/DemoController.java b/src/main/java/com/cloverta/webapi/controller/DemoController.java
new file mode 100644
index 0000000..784abcc
--- /dev/null
+++ b/src/main/java/com/cloverta/webapi/controller/DemoController.java
@@ -0,0 +1,26 @@
+package com.cloverta.webapi.controller;
+
+import com.cloverta.webapi.mapper.StudentMapper;
+import com.cloverta.webapi.model.Student;
+import com.cloverta.webapi.service.StudentService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/demo")
+public class DemoController {
+    private StudentService studentService;
+    @Autowired
+    public void setStudentService(StudentService studentService) {
+        this.studentService = studentService;
+    }
+
+    @GetMapping("/fetch")
+    public List<Student> fetch() {
+        return studentService.findAll();
+    }
+}
diff --git a/src/main/java/com/cloverta/webapi/controller/GithubStarsController.java b/src/main/java/com/cloverta/webapi/controller/GithubStarsController.java
index 0a87498..5c8ef56 100644
--- a/src/main/java/com/cloverta/webapi/controller/GithubStarsController.java
+++ b/src/main/java/com/cloverta/webapi/controller/GithubStarsController.java
@@ -5,10 +5,12 @@ import com.cloverta.webapi.restservice.GithubStars;
 import com.cloverta.webapi.service.GithubStarsService;
 import com.cloverta.webapi.service.GreetingService;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
+@RequestMapping("/github")
 public class GithubStarsController {
 
     private final GithubStarsService githubStarsService;
@@ -17,7 +19,7 @@ public class GithubStarsController {
         this.githubStarsService = githubStarsService;
     }
 
-    @GetMapping("/github/stars")
+    @GetMapping("/stars")
     public GithubStars getGithubStars(@RequestParam(value = "user", required = true) String user) {
         try {
             return githubStarsService.getGithubStars(user);
diff --git a/src/main/java/com/cloverta/webapi/controller/GreetingController.java b/src/main/java/com/cloverta/webapi/controller/GreetingController.java
index 3c1935b..7b1230f 100644
--- a/src/main/java/com/cloverta/webapi/controller/GreetingController.java
+++ b/src/main/java/com/cloverta/webapi/controller/GreetingController.java
@@ -14,7 +14,6 @@ public class GreetingController {
 
     private final GreetingService greetingService;
 
-    // 显式声明构造方法（Spring 4.3+ 可省略 @Autowired）
     public GreetingController(GreetingService greetingService) {
         this.greetingService = greetingService;
     }
diff --git a/src/main/java/com/cloverta/webapi/handler/GlobalExceptionHandler.java b/src/main/java/com/cloverta/webapi/handler/GlobalExceptionHandler.java
index 73585a0..8262094 100644
--- a/src/main/java/com/cloverta/webapi/handler/GlobalExceptionHandler.java
+++ b/src/main/java/com/cloverta/webapi/handler/GlobalExceptionHandler.java
@@ -2,6 +2,7 @@ package com.cloverta.webapi.handler;
 
 import com.cloverta.webapi.exception.GithubException;
 import jakarta.servlet.http.HttpServletRequest;
+import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 
@@ -12,11 +13,13 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(GithubException.class)
     public String handleGithubException(GithubException ex, HttpServletRequest request) {
         request.setAttribute("javax.servlet.error.message", ex.getMessage());
+        request.setAttribute("javax.servlet.error.status_code", HttpStatus.BAD_REQUEST.value());
         return "forward:/error";
     }
 
     @ExceptionHandler(Exception.class)
     public String handleGeneralException(Exception ex, HttpServletRequest request) {
+        request.setAttribute("javax.servlet.error.status_code", HttpStatus.BAD_REQUEST.value());
         request.setAttribute("javax.servlet.error.message", ex.getMessage());
         return "forward:/error";
     }
diff --git a/src/main/java/com/cloverta/webapi/mapper/ApiMapper.java b/src/main/java/com/cloverta/webapi/mapper/ApiMapper.java
index 609bd3e..59e1945 100644
--- a/src/main/java/com/cloverta/webapi/mapper/ApiMapper.java
+++ b/src/main/java/com/cloverta/webapi/mapper/ApiMapper.java
@@ -10,7 +10,7 @@ import java.util.List;
 @Mapper
 public interface ApiMapper {
 
-    @Select("SELECT * FROM api_list")
+
     List<Api> findAll();
 
 }
diff --git a/src/main/java/com/cloverta/webapi/mapper/StudentMapper.java b/src/main/java/com/cloverta/webapi/mapper/StudentMapper.java
new file mode 100644
index 0000000..fd5de34
--- /dev/null
+++ b/src/main/java/com/cloverta/webapi/mapper/StudentMapper.java
@@ -0,0 +1,12 @@
+package com.cloverta.webapi.mapper;
+
+import com.cloverta.webapi.model.Student;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+@Mapper
+public interface StudentMapper {
+
+    List<Student> findAll();
+}
diff --git a/src/main/java/com/cloverta/webapi/model/Student.java b/src/main/java/com/cloverta/webapi/model/Student.java
new file mode 100644
index 0000000..33a0df3
--- /dev/null
+++ b/src/main/java/com/cloverta/webapi/model/Student.java
@@ -0,0 +1,41 @@
+package com.cloverta.webapi.model;
+
+public class Student {
+    public String id;
+    public String name;
+    public String email;
+    public String phone;
+
+    public String getId() {
+
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getPhone() {
+        return phone;
+    }
+
+    public void setPhone(String phone) {
+        this.phone = phone;
+    }
+}
diff --git a/src/main/java/com/cloverta/webapi/restservice/Student.java b/src/main/java/com/cloverta/webapi/restservice/Student.java
new file mode 100644
index 0000000..0e6b8ce
--- /dev/null
+++ b/src/main/java/com/cloverta/webapi/restservice/Student.java
@@ -0,0 +1,4 @@
+package com.cloverta.webapi.restservice;
+
+public record Student(String id, String name, String phone, String email) {
+}
diff --git a/src/main/java/com/cloverta/webapi/service/StudentService.java b/src/main/java/com/cloverta/webapi/service/StudentService.java
new file mode 100644
index 0000000..61221b7
--- /dev/null
+++ b/src/main/java/com/cloverta/webapi/service/StudentService.java
@@ -0,0 +1,19 @@
+package com.cloverta.webapi.service;
+
+import com.cloverta.webapi.mapper.StudentMapper;
+import com.cloverta.webapi.model.Student;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class StudentService {
+    private final StudentMapper studentMapper;
+    public StudentService(StudentMapper studentMapper) {
+        this.studentMapper = studentMapper;
+    }
+
+    public List<Student> findAll() {
+        return studentMapper.findAll();
+    }
+}
diff --git a/src/main/resources/mapper/ApiMapper.xml b/src/main/resources/mapper/ApiMapper.xml
new file mode 100644
index 0000000..809af02
--- /dev/null
+++ b/src/main/resources/mapper/ApiMapper.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.cloverta.webapi.mapper.ApiMapper">
+    <select id="findAll" resultType="Api">
+        SELECT * FROM api_list;
+    </select>
+</mapper>
\ No newline at end of file
diff --git a/src/main/resources/mapper/StudentMapper.xml b/src/main/resources/mapper/StudentMapper.xml
new file mode 100644
index 0000000..78e03ec
--- /dev/null
+++ b/src/main/resources/mapper/StudentMapper.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.cloverta.webapi.mapper.StudentMapper">
+    <select id="findAll" resultType="Student">
+        SELECT * FROM student;
+    </select>
+</mapper>
\ No newline at end of file