diff --git a/youlai-auth/src/main/java/com/youlai/auth/config/AuthorizationServerConfig.java b/youlai-auth/src/main/java/com/youlai/auth/config/AuthorizationServerConfig.java
index 0fb1fb05e..b5107272b 100644
--- a/youlai-auth/src/main/java/com/youlai/auth/config/AuthorizationServerConfig.java
+++ b/youlai-auth/src/main/java/com/youlai/auth/config/AuthorizationServerConfig.java
@@ -6,10 +6,14 @@ import com.youlai.auth.service.UserDetailsServiceImpl;
 import com.youlai.common.core.constant.AuthConstants;
 import lombok.AllArgsConstructor;
 import lombok.SneakyThrows;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.AuthenticationProvider;
+import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.oauth2.common.DefaultOAuth2AccessToken;
 import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
 import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
@@ -119,12 +123,4 @@ public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdap
             return accessToken;
         };
     }
-
-/*    @Bean
-    public AuthenticationProvider daoAuthenticationProvider(){
-        DaoAuthenticationProvider impl = new DaoAuthenticationProvider();
-        impl.setUserDetailsService(userDetailsService);
-        impl.setHideUserNotFoundExceptions(false) ;
-        return impl ;
-    }*/
 }
diff --git a/youlai-auth/src/main/java/com/youlai/auth/config/WebSecurityConfig.java b/youlai-auth/src/main/java/com/youlai/auth/config/WebSecurityConfig.java
index 86d160bba..cc6b61ee1 100644
--- a/youlai-auth/src/main/java/com/youlai/auth/config/WebSecurityConfig.java
+++ b/youlai-auth/src/main/java/com/youlai/auth/config/WebSecurityConfig.java
@@ -5,11 +5,15 @@ import org.springframework.boot.actuate.autoconfigure.security.servlet.EndpointR
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.authentication.BadCredentialsException;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.crypto.factory.PasswordEncoderFactories;
 import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.web.AuthenticationEntryPoint;
+
+import javax.servlet.http.HttpServletResponse;
 
 @Configuration
 @EnableWebSecurity
@@ -40,4 +44,5 @@ public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
     public PasswordEncoder passwordEncoder() {
         return PasswordEncoderFactories.createDelegatingPasswordEncoder();
     }
+
 }
diff --git a/youlai-auth/src/main/java/com/youlai/auth/exception/AuthExceptionHandler.java b/youlai-auth/src/main/java/com/youlai/auth/exception/AuthExceptionHandler.java
index c2f715257..43271b008 100644
--- a/youlai-auth/src/main/java/com/youlai/auth/exception/AuthExceptionHandler.java
+++ b/youlai-auth/src/main/java/com/youlai/auth/exception/AuthExceptionHandler.java
@@ -4,6 +4,7 @@ import com.youlai.common.core.result.Result;
 import com.youlai.common.core.result.ResultCode;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.authentication.InternalAuthenticationServiceException;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.security.oauth2.common.exceptions.InvalidGrantException;
 import org.springframework.security.oauth2.common.exceptions.InvalidTokenException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
@@ -13,24 +14,38 @@ import org.springframework.web.bind.annotation.RestControllerAdvice;
 @Slf4j
 public class AuthExceptionHandler {
 
+
+    /**
+     * 客户端信息错误
+     *
+     * @param e
+     * @return
+     */
+    @ExceptionHandler(UsernameNotFoundException.class)
+    public Result handleUsernameNotFoundException(UsernameNotFoundException e) {
+        return Result.error(e.getMessage());
+    }
+
     /**
      * 用户名和密码异常
+     *
      * @param e
      * @return
      */
     @ExceptionHandler(InvalidGrantException.class)
-    public Result handleInvalidGrantException(InvalidGrantException e){
+    public Result handleInvalidGrantException(InvalidGrantException e) {
         return Result.error(e.getMessage());
     }
 
 
     /**
      * 账户异常(禁用、锁定、过期)
+     *
      * @param e
      * @return
      */
     @ExceptionHandler({InternalAuthenticationServiceException.class})
-    public Result handleInternalAuthenticationServiceException(InternalAuthenticationServiceException e){
+    public Result handleInternalAuthenticationServiceException(InternalAuthenticationServiceException e) {
         return Result.error(e.getMessage());
     }
 
@@ -39,4 +54,9 @@ public class AuthExceptionHandler {
     public Result handleInvalidTokenException(InvalidTokenException e) {
         return Result.custom(ResultCode.TOKEN_INVALID_OR_EXPIRED);
     }
+
+    @ExceptionHandler(Exception.class)
+    public Result handleException(Exception e) {
+        return Result.error(e.getMessage());
+    }
 }