fix(security): 添加注释说明

src/main/java/com/zsc/edu/bill/framework/security/SpringSecurityConfig.java

@@ -61,6 +61,7 @@ public class SpringSecurityConfig {
         filter.setAuthenticationFailureHandler(customAuthenticationFailureHandler);
         filter.setFilterProcessesUrl("/api/rest/user/login");
         filter.setAuthenticationManager(authenticationManager());
+        // 将登录后的请求信息保存到Session中，不然会报null
         filter.setSecurityContextRepository(new HttpSessionSecurityContextRepository());
         return filter;
     }

src/test/java/com/zsc/edu/bill/BillApplicationTests.java

@@ -3,11 +3,14 @@ package com.zsc.edu.bill;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import java.util.ArrayList;
+
 @SpringBootTest
 class BillApplicationTests {
 
     @Test
     void contextLoads() {
+
     }
 
 }