From bf7d69c54001055ce99ea73067bdb223ca70ad75 Mon Sep 17 00:00:00 2001
From: Windfarer <windfarer@gmail.com>
Date: Sun, 13 Oct 2019 10:00:57 +0800
Subject: [PATCH] fix trace

---
 pkg/cache/redis/trace.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pkg/cache/redis/trace.go b/pkg/cache/redis/trace.go
index b782d309d..ed0b2a62d 100644
--- a/pkg/cache/redis/trace.go
+++ b/pkg/cache/redis/trace.go
@@ -122,9 +122,7 @@ func (t *traceConn) Receive() (reply interface{}, err error) {
 
 func (t *traceConn) WithContext(ctx context.Context) Conn {
 	t.Conn = t.Conn.WithContext(ctx)
-	if root, ok := trace.FromContext(ctx); ok {
-		t.tr = root
-	}
+	t.tr, _ = trace.FromContext(ctx)
 	return t
 }