diff --git a/cmd/main.go b/cmd/main.go
index b6b2599..29c590e 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -20,7 +20,7 @@ func main() {
 	// 从环境变量获取配置
 	collectorURL := getEnv("COLLECTOR_URL", "http://localhost:5000/status")
 	dbConnStr := getEnv("DATABASE_URL", "host=139.224.247.176 user=postgres password=Stock0310~! dbname=stock_prod port=19432 sslmode=disable TimeZone=Asia/Shanghai")
-	interval := getEnvAsInt("COLLECTION_INTERVAL", 60) // 默认60秒
+	interval := getEnvAsInt("COLLECTION_INTERVAL", 30) // 默认60秒
 
 	log.Printf("采集地址: %s", collectorURL)
 	log.Printf("采集间隔: %d秒", interval)