diff --git a/api/src/main/resources/db.sql b/api/src/main/resources/db.sql
index c38fc6c..1a6e820 100644
--- a/api/src/main/resources/db.sql
+++ b/api/src/main/resources/db.sql
@@ -1,4 +1,4 @@
-create database points_sys;
+create database if not exists points_sys;
 use points_sys;
 create table userinfo
 (
@@ -13,7 +13,7 @@ create table userinfo
     first_login_time datetime          default current_timestamp,
     update_time      datetime     null on update current_timestamp,
     status           tinyint(2)        default 1
-) engine = innodb comment '用户表';
+) engine = innodb collate = 'utf8mb4_general_ci' comment '用户表';
 
 create table point
 (
@@ -23,7 +23,7 @@ create table point
     expire_point int(10)  null default 0,
     expire_time  datetime null,
     update_time  datetime null on update current_timestamp
-) engine = innodb comment '积分表';
+) engine = innodb collate = 'utf8mb4_general_ci' comment '积分表';
 create table point_record
 (
     id                  bigint(15) primary key auto_increment,
@@ -33,7 +33,7 @@ create table point_record
     reason              varchar(100) not null,
     valid_time          datetime     null,
     expire_time         datetime     null
-) engine = innodb comment '积分记录表';
+) engine = innodb collate = 'utf8mb4_general_ci' comment '积分记录表';
 
 create table sign_record
 (
@@ -42,4 +42,4 @@ create table sign_record
     point       int(10)     not null,
     ip          varchar(50) not null,
     create_time datetime    default current_timestamp
-) engine = innodb comment '打卡记录表';
\ No newline at end of file
+) engine = innodb collate = 'utf8mb4_general_ci' comment '打卡记录表';
\ No newline at end of file