diff --git a/mymysql/mysql.go b/mymysql/mysql.go
index db34c6a..5949ddc 100644
--- a/mymysql/mysql.go
+++ b/mymysql/mysql.go
@@ -48,7 +48,7 @@ func Instance(key ...string) *gorm.DB {
 
 	instance, ok := instanceMap[key0]
 	if !ok {
-		panic(fmt.Errorf("%s not config", key))
+		panic(fmt.Errorf("mysql %s not config", key0))
 	}
 	return instance
 }
diff --git a/myredis/redis.go b/myredis/redis.go
index b53db13..b11f420 100644
--- a/myredis/redis.go
+++ b/myredis/redis.go
@@ -51,7 +51,7 @@ func Instance(key ...string) *MyRedis {
 
 	instance, ok := instanceMap[key0]
 	if !ok {
-		panic(fmt.Errorf("%s not config", key))
+		panic(fmt.Errorf("redis %s not config", key0))
 	}
 	return instance
 }