[FIX] fix issue(#338) bug, modify tenant service env max size to 1024

db/mysql/mysql.go

@@ -165,4 +165,9 @@ func (m *Manager) CheckTable() {
 	})
 }
 
-func (m *Manager) patchTable() {}
+func (m *Manager) patchTable() {
+	//modify tenant service env max size to 1024
+	if err := m.db.Exec("alter table tenant_services_envs modify column attr_value varchar(1024);").Error; err != nil {
+		logrus.Errorf("alter table tenant_services_envs error %s", err.Error())
+	}
+}