修正映射重复问题，修改加密方式

src/main/java/com/campus/water/config/SecurityConfig.java

@@ -12,7 +12,6 @@ import org.springframework.security.config.annotation.method.configuration.Enabl
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.http.SessionCreationPolicy;
-import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
@@ -27,7 +26,7 @@ import java.util.Arrays;
  */
 @Configuration
 @EnableWebSecurity
-@EnableMethodSecurity(prePostEnabled = true) // 启用方法级权限控制
+@EnableMethodSecurity() // 启用方法级权限控制
 public class SecurityConfig {
 
     private final UserDetailsServiceImpl userDetailsService;