diff --git a/dialects/mysql.go b/dialects/mysql.go
index 5663d1dd..82505707 100644
--- a/dialects/mysql.go
+++ b/dialects/mysql.go
@@ -397,6 +397,9 @@ func (db *mysql) AddColumnSQL(tableName string, col *schemas.Column) string {
 // ModifyColumnSQL returns a SQL to modify SQL
 func (db *mysql) ModifyColumnSQL(tableName string, col *schemas.Column) string {
 	s, _ := ColumnString(db.dialect, col, false, true)
+	if col.Comment != "" {
+		s += fmt.Sprintf(" COMMENT '%s'", col.Comment)
+	}
 	return fmt.Sprintf("ALTER TABLE %s MODIFY COLUMN %s", db.quoter.Quote(tableName), s)
 }
 
diff --git a/integrations/engine_test.go b/integrations/engine_test.go
index d0b293bf..86ed7344 100644
--- a/integrations/engine_test.go
+++ b/integrations/engine_test.go
@@ -311,7 +311,7 @@ func TestColumnCommentUpdate(t *testing.T) {
 	assert.NoError(t, testEngine.Sync2(new(TestCommentUpdate2))) // modify table column comment
 
 	switch testEngine.Dialect().URI().DBType {
-	case schemas.POSTGRES: // only postgres dialect implement the feature of modify comment in postgres.ModifyColumnSQL
+	case schemas.POSTGRES, schemas.MYSQL: // only postgres / mysql dialect implement the feature of modify comment in postgres.ModifyColumnSQL
 	default:
 		t.Skip()
 		return
diff --git a/sync.go b/sync.go
index 3d9c30f2..11e75404 100644
--- a/sync.go
+++ b/sync.go
@@ -181,8 +181,8 @@ func (session *Session) SyncWithOptions(opts SyncOptions, beans ...interface{})
 					}
 				}
 			} else if col.Comment != oriCol.Comment {
-				// only postgres dialect implement update comment now.
-				if engine.dialect.URI().DBType == schemas.POSTGRES {
+				if engine.dialect.URI().DBType == schemas.POSTGRES ||
+					engine.dialect.URI().DBType == schemas.MYSQL {
 					_, err = session.exec(engine.dialect.ModifyColumnSQL(tbNameWithSchema, col))
 				}
 			}