diff --git a/api/client.go b/api/client.go
index 2f174e7a..e7fbd05e 100644
--- a/api/client.go
+++ b/api/client.go
@@ -259,8 +259,12 @@ func ReqContext(cctx *cli.Context) context.Context {
 	ctx, done := context.WithCancel(tCtx)
 	sigChan := make(chan os.Signal, 2)
 	go func() {
-		<-sigChan
-		done()
+		sig := <-sigChan
+		log.Warnf("receive sig: %v", sig)
+		switch sig {
+		case syscall.SIGTERM:
+			done()
+		}
 	}()
 	signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGINT, syscall.SIGHUP)
 
diff --git a/app/venus-worker/main.go b/app/venus-worker/main.go
index ff03221b..7c42f94f 100644
--- a/app/venus-worker/main.go
+++ b/app/venus-worker/main.go
@@ -416,8 +416,8 @@ var runCmd = &cli.Command{
 		}
 
 		go func() {
-			<-ctx.Done()
-			log.Warn("Shutting down...")
+			cs := <-ctx.Done()
+			log.Warnf("Shutting down: %v ...", cs)
 			if err := srv.Shutdown(context.TODO()); err != nil {
 				log.Errorf("shutting down RPC server failed: %s", err)
 			}
@@ -505,7 +505,7 @@ var runCmd = &cli.Command{
 					}
 
 					select {
-					case <-readyCh:
+					case <-readyCh: // 没有tasks后退出
 						if err := nodeApi.WorkerConnect(ctx, "http://"+address+"/rpc/v0"); err != nil {
 							log.Errorf("Registering worker failed: %+v", err)
 							cancel()
@@ -521,7 +521,7 @@ var runCmd = &cli.Command{
 					}
 				}
 
-				log.Errorf("LOTUS-MINER CONNECTION LOST")
+				log.Errorf("VENUS-MINER CONNECTION LOST")
 
 				redeclareStorage = true
 			}
diff --git a/go.mod b/go.mod
index 8988da33..d9f6aa0d 100644
--- a/go.mod
+++ b/go.mod
@@ -84,5 +84,3 @@ replace github.com/ipfs/go-ipfs-cmds => github.com/ipfs-force-community/go-ipfs-
 replace github.com/filecoin-project/go-statemachine => github.com/hunjixin/go-statemachine v0.0.0-20210309063909-a65119041e93
 
 replace github.com/filecoin-project/go-statestore => github.com/hunjixin/go-statestore v0.1.1-0.20210309025204-01c69afffbd7
-
-replace github.com/filecoin-project/go-jsonrpc => github.com/ipfs-force-community/go-jsonrpc v0.1.4-0.20210721031201-436c3ec1e57e
diff --git a/go.sum b/go.sum
index 2800615d..41a606b7 100644
--- a/go.sum
+++ b/go.sum
@@ -316,6 +316,10 @@ github.com/filecoin-project/go-hamt-ipld/v2 v2.0.0/go.mod h1:7aWZdaQ1b16BVoQUYR+
 github.com/filecoin-project/go-hamt-ipld/v3 v3.0.1/go.mod h1:gXpNmr3oQx8l3o7qkGyDjJjYSRX7hp/FGOStdqrWyDI=
 github.com/filecoin-project/go-hamt-ipld/v3 v3.1.0 h1:rVVNq0x6RGQIzCo1iiJlGFm9AGIZzeifggxtKMU7zmI=
 github.com/filecoin-project/go-hamt-ipld/v3 v3.1.0/go.mod h1:bxmzgT8tmeVQA1/gvBwFmYdT8SOFUwB3ovSUfG1Ux0g=
+github.com/filecoin-project/go-jsonrpc v0.1.2/go.mod h1:XBBpuKIMaXIIzeqzO1iucq4GvbF8CxmXRFoezRh+Cx4=
+github.com/filecoin-project/go-jsonrpc v0.1.3/go.mod h1:XBBpuKIMaXIIzeqzO1iucq4GvbF8CxmXRFoezRh+Cx4=
+github.com/filecoin-project/go-jsonrpc v0.1.4-0.20210217175800-45ea43ac2bec h1:rGI5I7fdU4viManxmDdbk5deZO7afe6L1Wc04dAmlOM=
+github.com/filecoin-project/go-jsonrpc v0.1.4-0.20210217175800-45ea43ac2bec/go.mod h1:XBBpuKIMaXIIzeqzO1iucq4GvbF8CxmXRFoezRh+Cx4=
 github.com/filecoin-project/go-leb128 v0.0.0-20190212224330-8d79a5489543/go.mod h1:mjrHv1cDGJWDlGmC0eDc1E5VJr8DmL9XMUcaFwiuKg8=
 github.com/filecoin-project/go-multistore v0.0.3 h1:vaRBY4YiA2UZFPK57RNuewypB8u0DzzQwqsL0XarpnI=
 github.com/filecoin-project/go-multistore v0.0.3/go.mod h1:kaNqCC4IhU4B1uyr7YWFHd23TL4KM32aChS0jNkyUvQ=
@@ -676,8 +680,6 @@ github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod
 github.com/influxdata/line-protocol v0.0.0-20200327222509-2487e7298839 h1:W9WBk7wlPfJLvMCdtV4zPulc4uCPrlywQOmbFOhgQNU=
 github.com/influxdata/line-protocol v0.0.0-20200327222509-2487e7298839/go.mod h1:xaLFMmpvUxqXtVkUJfg9QmT88cDaCJ3ZKgdZ78oO8Qo=
 github.com/ipfs-force-community/go-ipfs-cmds v0.6.1-0.20210521090123-4587df7fa0ab/go.mod h1:ZgYiWVnCk43ChwoH8hAmI1IRbuVtq3GSTHwtRB/Kqhk=
-github.com/ipfs-force-community/go-jsonrpc v0.1.4-0.20210721031201-436c3ec1e57e h1:aGgOC4obtLKX0uHrsQJZHahuWjTZKwXVljtZ8kREcZU=
-github.com/ipfs-force-community/go-jsonrpc v0.1.4-0.20210721031201-436c3ec1e57e/go.mod h1:XBBpuKIMaXIIzeqzO1iucq4GvbF8CxmXRFoezRh+Cx4=
 github.com/ipfs-force-community/metrics v0.0.0-20210705093944-918711d7932a/go.mod h1:ajvaa2Yv3kernFGYkOVugnapIKawekjQsBPoY+AXMf0=
 github.com/ipfs-force-community/metrics v0.0.0-20210708103859-bb5906dadf00 h1:nS5cK3ml1THyYX0bDdyGROhhyJf4xQ0+V/SJ46LFmu0=
 github.com/ipfs-force-community/metrics v0.0.0-20210708103859-bb5906dadf00/go.mod h1:ajvaa2Yv3kernFGYkOVugnapIKawekjQsBPoY+AXMf0=