diff --git a/app/cfg/cfg_app.go b/app/cfg/cfg_app.go
index 70eba05..ba2dbe0 100644
--- a/app/cfg/cfg_app.go
+++ b/app/cfg/cfg_app.go
@@ -12,7 +12,7 @@ type Config struct {
 	RedisAddr     string           `yaml:"redis_addr"`
 	RedisPassword string           `yaml:"redis_password"`
 	DB            DBCfg            `yaml:"db"`
-	ImDB          DBCfg            `yaml:"db"`
+	ImDB          DBCfg            `yaml:"im_db"`
 	Log           LogCfg           `yaml:"log"`
 	ImBusinessRpc ImBusinessRpcCfg `yaml:"im_business_rpc"`
 	ImLogicRpc    ImLogicRpcCfg    `yaml:"im_logic_rpc"`