Merge pull request #1360 from sakuraovq/master

Author: inhere

app/Migration/User.php

@@ -18,7 +18,7 @@
  *
  * @since 2.0
  *
- * @Migration(20190630164222)
+ * @Migration(time=20190630164222, pool="db.pool,db1.pool")
  */
 class User extends BaseMigration
 {

app/bean.php

@@ -84,6 +84,7 @@
         'dsn'      => 'mysql:dbname=test2;host=127.0.0.1',
         'username' => 'root',
         'password' => 'swoft123456',
+        'charset'  => 'utf8mb4',
         //        'dbSelector' => bean(DbSelector::class)
     ],
     'db2.pool'           => [
@@ -94,7 +95,8 @@
         'class'    => Database::class,
         'dsn'      => 'mysql:dbname=test2;host=127.0.0.1',
         'username' => 'root',
-        'password' => 'swoft123456'
+        'password' => 'swoft123456',
+        'charset'  => 'utf8mb4',
     ],
     'db3.pool'           => [
         'class'    => Pool::class,