架构性调整【懒得区分了，哈哈哈哈】，主要是跑通了第一个功能测试

src/main/java/com/guo/learningprogresstracker/config/AutoTableField.java

@@ -0,0 +1,41 @@
+package com.guo.learningprogresstracker.config;
+
+import cn.dev33.satoken.stp.StpUtil;
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import com.guo.learningprogresstracker.entity.UserEntity;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.ibatis.reflection.MetaObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Configuration;
+
+import java.time.LocalDateTime;
+import java.util.Date;
+
+/**
+ * 用于配置
+ *
+ * @author guo
+ */
+@Configuration
+@Slf4j
+public class AutoTableField implements MetaObjectHandler {
+
+
+    @Override
+    public void insertFill(MetaObject metaObject) {
+        log.info("insert autoField");
+        this.strictInsertFill(metaObject, "createdBy", StpUtil::getLoginIdAsString, String.class);
+        this.strictInsertFill(metaObject, "createdTime", LocalDateTime::now, LocalDateTime.class);
+        this.strictInsertFill(metaObject, "lastModifiedBy", StpUtil::getLoginIdAsString, String.class);
+        this.strictInsertFill(metaObject, "lastModifiedTime", LocalDateTime::now, LocalDateTime.class);
+    }
+
+
+    @Override
+    public void updateFill(MetaObject metaObject) {
+        this.strictInsertFill(metaObject, "lastModifiedBy", StpUtil::getLoginIdAsString, String.class);
+        this.strictInsertFill(metaObject, "lastModifiedTime", LocalDateTime::now, LocalDateTime.class);
+    }
+
+}