remove panic

setup.go

@@ -8,6 +8,9 @@ import (
 	"net/http"
 	"os"
 	"time"
+	"github.com/labstack/echo"
+	"github.com/ulule/limiter/drivers/store/redis"
+	"github.com/go-pkgz/expirable-cache"
 )
 
 var (
@@ -75,9 +78,7 @@ func (m *RedisDB) DeleteCacheWhereLike(key string) error { // add * in the last
 		m.Cache.Delete(ctx, iter.Val())
 		foundedRecordCount++
 	}
-	if err := iter.Err(); err != nil {
-		panic(err)
-	}
+
 	return iter.Err()
 }