diff --git a/platform/main.go b/platform/main.go
index 008d87df..365b27c3 100644
--- a/platform/main.go
+++ b/platform/main.go
@@ -104,6 +104,8 @@ func doMain(ctx context.Context) error {
 	setEnvDefault("REACT_APP_LOCALE", "en")
 
 	// Migrate from mgmt.
+	setEnvDefault("REDIS_DATABASE", "0")
+	setEnvDefault("REDIS_HOST", "127.0.0.1")
 	setEnvDefault("REDIS_PORT", "6379")
 	setEnvDefault("MGMT_LISTEN", "2022")
 
@@ -128,7 +130,7 @@ func doMain(ctx context.Context) error {
 
 	logger.Tf(ctx, "load .env as MGMT_PASSWORD=%vB, "+
 		"SRS_PLATFORM_SECRET=%vB, CLOUD=%v, REGION=%v, SOURCE=%v, SRT_PORT=%v, RTC_PORT=%v, "+
-		"NODE_ENV=%v, LOCAL_RELEASE=%v, REDIS_PASSWORD=%vB, REDIS_PORT=%v, RTMP_PORT=%v, "+
+		"NODE_ENV=%v, LOCAL_RELEASE=%v, REDIS_DATABASE=%v, REDIS_HOST=%v, REDIS_PASSWORD=%vB, REDIS_PORT=%v, RTMP_PORT=%v, "+
 		"PUBLIC_URL=%v, BUILD_PATH=%v, REACT_APP_LOCALE=%v, PLATFORM_LISTEN=%v, HTTP_PORT=%v, "+
 		"REGISTRY=%v, MGMT_LISTEN=%v, HTTPS_LISTEN=%v, AUTO_SELF_SIGNED_CERTIFICATE=%v, "+
 		"NAME_LOOKUP=%v, PLATFORM_DOCKER=%v, SRS_FORWARD_LIMIT=%v, SRS_VLIVE_LIMIT=%v, "+
@@ -136,7 +138,8 @@ func doMain(ctx context.Context) error {
 		len(envMgmtPassword()), len(envApiSecret()), envCloud(),
 		envRegion(), envSource(), envSrtListen(), envRtcListen(),
 		envNodeEnv(), envLocalRelease(),
-		len(envRedisPassword()), envRedisPort(), envRtmpPort(), envPublicUrl(),
+		envRedisDatabase(), envRedisHost(), len(envRedisPassword()), envRedisPort(),
+		envRtmpPort(), envPublicUrl(),
 		envBuildPath(), envReactAppLocale(), envPlatformListen(), envHttpPort(),
 		envRegistry(), envMgmtListen(), envHttpListen(),
 		envSelfSignedCertificate(), envNameLookup(),
diff --git a/platform/utils.go b/platform/utils.go
index c1a06f33..445195d9 100644
--- a/platform/utils.go
+++ b/platform/utils.go
@@ -436,6 +436,14 @@ func envRedisPort() string {
 	return os.Getenv("REDIS_PORT")
 }
 
+func envRedisHost() string {
+	return os.Getenv("REDIS_HOST")
+}
+
+func envRedisDatabase() string {
+	return os.Getenv("REDIS_DATABASE")
+}
+
 func envRtmpPort() string {
 	return os.Getenv("RTMP_PORT")
 }
@@ -481,11 +489,15 @@ var rdb *redis.Client
 
 // InitRdb create and init global rdb, which is a redis client.
 func InitRdb() error {
-	addr := "127.0.0.1"
+	redisDatabase, err := strconv.Atoi(envRedisDatabase())
+	if err != nil {
+		return errors.Wrapf(err, "invalid REDIS_DATABASE %v", envRedisDatabase())
+	}
+
 	rdb = redis.NewClient(&redis.Options{
-		Addr:     fmt.Sprintf("%v:%v", addr, envRedisPort()),
+		Addr:     fmt.Sprintf("%v:%v", envRedisHost(), envRedisPort()),
 		Password: envRedisPassword(),
-		DB:       0,
+		DB:       redisDatabase,
 	})
 	return nil
 }