fix missing renames

Signed-off-by: Li Yazhou <me.ssword@gmail.com>

Author: flaneur2020

client/config/peerhost_darwin.go

@@ -139,7 +139,7 @@ var peerHostConfig = func() *DaemonOption {
 				Duration: DefaultTaskExpireTime,
 			},
 			StoreStrategy:          SimpleLocalTaskStoreStrategy,
-			Multiplex:              false,
+			Reuse:                  false,
 			DiskGCThresholdPercent: 95,
 			ReloadGoroutineCount:   64,
 		},

client/config/peerhost_test.go

@@ -409,7 +409,7 @@ func TestPeerHostOption_Load(t *testing.T) {
 			StoreStrategy:          StoreStrategy("io.d7y.storage.v2.simple"),
 			DiskGCThreshold:        60 * unit.MB,
 			DiskGCThresholdPercent: 0.6,
-			Multiplex:              true,
+			Reuse:                  true,
 		},
 		Health: &HealthOption{
 			Path: "/health",