diff --git a/web-api/db/mysql/create_user.sql b/web-api/db/mysql/create_user.sql
index 279d7944..7876ee92 100644
--- a/web-api/db/mysql/create_user.sql
+++ b/web-api/db/mysql/create_user.sql
@@ -6,7 +6,7 @@ set global read_only=0;
 
 create user 'jeesite'@'%' identified by 'jeesite';
 
-create database jeesite DEFAULT CHARSET 'utf8' COLLATE 'utf8_general_ci'; 
+create database jeesite DEFAULT CHARSET 'utf8mb4' COLLATE 'utf8mb4_unicode_ci';
 
 grant all privileges on jeesite.* to 'jeesite'@'%' identified by 'jeesite';
 
diff --git a/web-fast/db/mysql/create_user.sql b/web-fast/db/mysql/create_user.sql
index 279d7944..7876ee92 100644
--- a/web-fast/db/mysql/create_user.sql
+++ b/web-fast/db/mysql/create_user.sql
@@ -6,7 +6,7 @@ set global read_only=0;
 
 create user 'jeesite'@'%' identified by 'jeesite';
 
-create database jeesite DEFAULT CHARSET 'utf8' COLLATE 'utf8_general_ci'; 
+create database jeesite DEFAULT CHARSET 'utf8mb4' COLLATE 'utf8mb4_unicode_ci';
 
 grant all privileges on jeesite.* to 'jeesite'@'%' identified by 'jeesite';
 
diff --git a/web/db/mysql/create_user.sql b/web/db/mysql/create_user.sql
index 279d7944..7876ee92 100644
--- a/web/db/mysql/create_user.sql
+++ b/web/db/mysql/create_user.sql
@@ -6,7 +6,7 @@ set global read_only=0;
 
 create user 'jeesite'@'%' identified by 'jeesite';
 
-create database jeesite DEFAULT CHARSET 'utf8' COLLATE 'utf8_general_ci'; 
+create database jeesite DEFAULT CHARSET 'utf8mb4' COLLATE 'utf8mb4_unicode_ci';
 
 grant all privileges on jeesite.* to 'jeesite'@'%' identified by 'jeesite';