添加 Redis是否enabled的配置处理

src/lib/Database/RedisConnection.ts

@@ -7,6 +7,11 @@ class _RedisConnection {
     private logger = new Logger('Redis')
 
     constructor() {
+        if (!config.redis.enable) {
+            this.logger.info('Database is disabled, initialization terminated');
+            return;
+        }
+
         try {
             this.pool = new Redis({
                 port: config.redis.port,