diff --git a/src/main/resources/schema.sql b/src/main/resources/schema.sql
index 823ecdf..beb0cc7 100644
--- a/src/main/resources/schema.sql
+++ b/src/main/resources/schema.sql
@@ -1,3 +1,4 @@
+-- 使用反引号包裹保留字表名
 CREATE TABLE `user` (
                         `user_id` INT PRIMARY KEY AUTO_INCREMENT,
                         `username` VARCHAR(255) NOT NULL UNIQUE,
@@ -6,27 +7,25 @@
                         `address` VARCHAR(255),
                         `role` VARCHAR(50) NOT NULL DEFAULT 'user',
                         `profile_pic` VARCHAR(255),
-                        `registration_date` DATETIME NOT NULL,  -- 推荐用时间类型（而非字符串）
-                        `identification_number` VARCHAR(18),    -- 身份证号建议用 VARCHAR(18)
+                        `registration_date` DATETIME NOT NULL,
+                        `identification_number` VARCHAR(18),
                         `avatar` VARCHAR(255),
-                        `isfollowed` BOOLEAN NOT NULL DEFAULT FALSE,
-                        INDEX `idx_user_id` (`user_id`)          -- 可选：主键通常自带索引
+                        `isfollowed` BOOLEAN NOT NULL DEFAULT FALSE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
-
-
+-- 外键表同样使用反引号
 CREATE TABLE user_follow (
-                             follower_id INT NOT NULL,
-                             followed_id INT NOT NULL,
-                             created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-                             PRIMARY KEY (follower_id, followed_id),
-                             FOREIGN KEY (follower_id) REFERENCES user(user_id),
-                             FOREIGN KEY (followed_id) REFERENCES user(user_id)
+                             `follower_id` INT NOT NULL,
+                             `followed_id` INT NOT NULL,
+                             `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                             PRIMARY KEY (`follower_id`, `followed_id`),
+                             FOREIGN KEY (`follower_id`) REFERENCES `user`(`user_id`),
+                             FOREIGN KEY (`followed_id`) REFERENCES `user`(`user_id`)
 );
 
+-- 插入语句使用反引号包裹表名和列名
 INSERT INTO `user` (
-    username, email, password, registration_date, identification_number, role
+    `username`, `email`, `password`, `registration_date`, `identification_number`, `role`
 ) VALUES (
-             'admin', 'admin@example.com', 'admin123', NOW(), 87654321, 'admin'
-         );
-
+             'admin', 'admin@example.com', 'admin123', NOW(), '87654321', 'admin'
+         );
\ No newline at end of file