diff --git a/src/main/java/com/al/_01springsecuritydemo01/config/SecurityConfig.java b/src/main/java/com/al/_01springsecuritydemo01/config/SecurityConfig.java
index e811367..4026f71 100644
--- a/src/main/java/com/al/_01springsecuritydemo01/config/SecurityConfig.java
+++ b/src/main/java/com/al/_01springsecuritydemo01/config/SecurityConfig.java
@@ -1,5 +1,6 @@
 package com.al._01springsecuritydemo01.config;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
@@ -7,10 +8,18 @@
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.web.authentication.AuthenticationFailureHandler;
+import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
 
 @EnableWebSecurity
 // @Configuration 被包括在上面的注解了
 public class SecurityConfig extends WebSecurityConfigurerAdapter {
+    @Autowired
+    private AuthenticationSuccessHandler successHandler;
+
+    @Autowired
+    private AuthenticationFailureHandler failureHandler;
+
     @Bean
     public PasswordEncoder passwordEncoder() {
         return new BCryptPasswordEncoder();
@@ -21,8 +30,10 @@ protected void configure(HttpSecurity http) throws Exception {
         http.formLogin()
                 .loginPage("/login.html")
                 .loginProcessingUrl("/login")
-                .defaultSuccessUrl("/index")
-                .defaultSuccessUrl("/index")
+                // .defaultSuccessUrl("/index")
+                // .defaultSuccessUrl("/index")
+                .successHandler(successHandler)
+                .failureHandler(failureHandler)
 
                 .and()
                 .authorizeRequests()
diff --git a/src/main/java/com/al/_01springsecuritydemo01/handler/MyAuthenticationFailureHandler.java b/src/main/java/com/al/_01springsecuritydemo01/handler/MyAuthenticationFailureHandler.java
new file mode 100644
index 0000000..b5c3124
--- /dev/null
+++ b/src/main/java/com/al/_01springsecuritydemo01/handler/MyAuthenticationFailureHandler.java
@@ -0,0 +1,25 @@
+package com.al._01springsecuritydemo01.handler;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.security.core.AuthenticationException;
+import org.springframework.security.web.authentication.AuthenticationFailureHandler;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MyAuthenticationFailureHandler implements AuthenticationFailureHandler {
+
+    @Override
+    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
+        response.setContentType("application/json; charset=UTF-8");
+        PrintWriter writer = response.getWriter();
+        writer.write("{\"code\":\"40001\",\"msg\":\"登录失败\"}");
+        writer.flush();
+        writer.close();
+    }
+}
diff --git a/src/main/java/com/al/_01springsecuritydemo01/handler/MyAuthenticationSuccessHandler.java b/src/main/java/com/al/_01springsecuritydemo01/handler/MyAuthenticationSuccessHandler.java
new file mode 100644
index 0000000..183c480
--- /dev/null
+++ b/src/main/java/com/al/_01springsecuritydemo01/handler/MyAuthenticationSuccessHandler.java
@@ -0,0 +1,24 @@
+package com.al._01springsecuritydemo01.handler;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
+import org.springframework.stereotype.Component;
+
+@Component
+public class MyAuthenticationSuccessHandler implements AuthenticationSuccessHandler {
+    @Override
+    public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
+        response.setContentType("application/json; charset=UTF-8");
+        PrintWriter writer = response.getWriter();
+        writer.write("{\"code\":\"20001\",\"msg\":\"登录成功\"}");
+        writer.flush();
+        writer.close();
+    }
+}
diff --git a/src/main/resources/static/login.html b/src/main/resources/static/login.html
index db6f626..7d61080 100644
--- a/src/main/resources/static/login.html
+++ b/src/main/resources/static/login.html
@@ -3,13 +3,33 @@
 <head>
     <meta charset="UTF-8">
     <title>登录</title>
+    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.js"></script>
 </head>
 <body>
 
 <form action="/login" method="post">
     <label for="username">账户</label><input type="text" name="username" id="username"><br>
     <label for="password">密码</label><input type="password" name="password" id="password"><br>
-    <input type="submit" value="登录">
+    <input type="submit" onclick="login()" value="登录">
 </form>
 </body>
+<script>
+    function login() {
+        $.ajax({
+            type: "POST",
+            url: "/login",
+            data: {
+                "username": $("#username").val(),
+                "password": $("#password").val(),
+            },
+            success: function (data) {
+                if (data.code == 20001) {
+                    Location.href = "/index";
+                } else {
+                    alert(data.msg);
+                }
+            }
+        })
+    }
+</script>
 </html>
\ No newline at end of file