diff --git a/examples/configcenter/zookeeper/dubbo/with-configcenter-go-client/app/client.go b/examples/configcenter/zookeeper/dubbo/with-configcenter-go-client/app/client.go
index d27af7a31778403d518e6454de7ebab4b9b5cdf7..44ffbd98f691d6ffef0485bc54159662662f8b16 100644
--- a/examples/configcenter/zookeeper/dubbo/with-configcenter-go-client/app/client.go
+++ b/examples/configcenter/zookeeper/dubbo/with-configcenter-go-client/app/client.go
@@ -135,7 +135,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 			// reload()
 		default:
-			go time.AfterFunc(time.Duration(survivalTimeout)*time.Second, func() {
+			time.AfterFunc(time.Duration(survivalTimeout)*time.Second, func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/configcenter/zookeeper/dubbo/with-configcenter-go-server/app/server.go b/examples/configcenter/zookeeper/dubbo/with-configcenter-go-server/app/server.go
index cd982992171fdf674e560bfb4ed280c1951cccde..04c614d732d3ed39d921796050249907fbc530d5 100644
--- a/examples/configcenter/zookeeper/dubbo/with-configcenter-go-server/app/server.go
+++ b/examples/configcenter/zookeeper/dubbo/with-configcenter-go-server/app/server.go
@@ -73,7 +73,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 			// reload()
 		default:
-			go time.AfterFunc(time.Duration(float64(survivalTimeout)*float64(time.Second)), func() {
+			time.AfterFunc(time.Duration(float64(survivalTimeout)*float64(time.Second)), func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-client/app/client.go b/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-client/app/client.go
index 5b1634788c455f6b8f0fb964f25a07b525492cf0..db76d939a1a7e2bd5ae04b5968dd5af7aaf69a2e 100644
--- a/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-client/app/client.go
+++ b/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-client/app/client.go
@@ -120,7 +120,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 		// reload()
 		default:
-			go time.AfterFunc(time.Duration(survivalTimeout)*time.Second, func() {
+			time.AfterFunc(time.Duration(survivalTimeout)*time.Second, func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-server/app/server.go b/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-server/app/server.go
index 0a0e72915fef0ca4613f78a87fa1057152c1cc9a..23cfd415533cf81b900be1982b9ceae567a845f3 100644
--- a/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-server/app/server.go
+++ b/examples/configcenter/zookeeper/jsonrpc/with-configcenter-go-server/app/server.go
@@ -62,7 +62,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 		// reload()
 		default:
-			go time.AfterFunc(time.Duration(float64(survivalTimeout)*float64(time.Second)), func() {
+			time.AfterFunc(time.Duration(float64(survivalTimeout)*float64(time.Second)), func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/general/dubbo/go-client/app/client.go b/examples/general/dubbo/go-client/app/client.go
index e839b0b2776d8e3b2aba2756d2a622bea2b8e88d..60adad356b8a8ff843034dd8e6086a2b832c7792 100644
--- a/examples/general/dubbo/go-client/app/client.go
+++ b/examples/general/dubbo/go-client/app/client.go
@@ -78,7 +78,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 			// reload()
 		default:
-			go time.AfterFunc(time.Duration(survivalTimeout), func() {
+			time.AfterFunc(time.Duration(survivalTimeout), func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/general/dubbo/go-server/app/server.go b/examples/general/dubbo/go-server/app/server.go
index ac92b879b15cb88ebc71fc5df90675b01760c899..0ffd6309c607168d75073c296eb60d21dadbca2d 100644
--- a/examples/general/dubbo/go-server/app/server.go
+++ b/examples/general/dubbo/go-server/app/server.go
@@ -74,7 +74,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 			// reload()
 		default:
-			go time.AfterFunc(time.Duration(survivalTimeout), func() {
+			time.AfterFunc(time.Duration(survivalTimeout), func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/general/jsonrpc/go-client/app/client.go b/examples/general/jsonrpc/go-client/app/client.go
index abbe586de94a26c9d1a71892b38844662ae4863a..c281794df9778f1ff9d834eaa4c1bdc819320309 100644
--- a/examples/general/jsonrpc/go-client/app/client.go
+++ b/examples/general/jsonrpc/go-client/app/client.go
@@ -73,7 +73,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 		// reload()
 		default:
-			go time.AfterFunc(time.Duration(survivalTimeout), func() {
+			time.AfterFunc(time.Duration(survivalTimeout), func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/general/jsonrpc/go-server/app/server.go b/examples/general/jsonrpc/go-server/app/server.go
index e36b6efe9d115d8352f09f1f5011ea00d92f0d13..de4aaed0bd56a112633ff9c4aba1c79d21b49920 100644
--- a/examples/general/jsonrpc/go-server/app/server.go
+++ b/examples/general/jsonrpc/go-server/app/server.go
@@ -64,7 +64,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 		// reload()
 		default:
-			go time.AfterFunc(time.Duration(survivalTimeout), func() {
+			time.AfterFunc(time.Duration(survivalTimeout), func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})
diff --git a/examples/helloworld/dubbo/go-server/app/server.go b/examples/helloworld/dubbo/go-server/app/server.go
index f02a6ba05e8723410c985823caafe88192f5af7e..dc3a40f14f43e8dce616b3cd79a5a6b6fde38580 100644
--- a/examples/helloworld/dubbo/go-server/app/server.go
+++ b/examples/helloworld/dubbo/go-server/app/server.go
@@ -64,7 +64,7 @@ func initSignal() {
 		case syscall.SIGHUP:
 			// reload()
 		default:
-			go time.AfterFunc(time.Duration(survivalTimeout), func() {
+			time.AfterFunc(time.Duration(survivalTimeout), func() {
 				logger.Warnf("app exit now by force...")
 				os.Exit(1)
 			})