diff --git a/controller/websocket.go b/controller/websocket.go
index 2ac3fbf..1b72a47 100644
--- a/controller/websocket.go
+++ b/controller/websocket.go
@@ -30,7 +30,7 @@ func TerminalHandle() func(c *gin.Context) error {
 		}
 		defer conn.Close()
 
-		cmd := exec.Command("bash")
+		cmd := exec.Command("sh")
 		ptyFile, err := pty.Start(cmd)
 		if err != nil {
 			log.Sugar().Errorf("Failed to start pty: %v", err)
diff --git a/pkg/observe/observe.go b/pkg/observe/observe.go
index 3030f13..d423aae 100644
--- a/pkg/observe/observe.go
+++ b/pkg/observe/observe.go
@@ -50,12 +50,12 @@ func (b *baseEventBus) Unsubscribe(key string, ob Observer) {
 }
 
 type SyncEventBus struct {
-	baseEventBus
+	*baseEventBus
 }
 
 func NewSyncEventBus() *SyncEventBus {
 	return &SyncEventBus{
-		baseEventBus: *newBaseEventBus(),
+		baseEventBus: newBaseEventBus(),
 	}
 }
 
@@ -81,7 +81,7 @@ func (s *SyncEventBus) handleErr(_ context.Context, errs map[Observer]error) {
 }
 
 type AsyncEventBus struct {
-	baseEventBus
+	*baseEventBus
 	errC  chan *observerWithErr
 	celFn context.CancelFunc
 	ctx   context.Context
@@ -94,7 +94,7 @@ type observerWithErr struct {
 
 func NewAsyncEventBus() *AsyncEventBus {
 	res := &AsyncEventBus{
-		baseEventBus: *newBaseEventBus(),
+		baseEventBus: newBaseEventBus(),
 	}
 
 	res.errC = make(chan *observerWithErr)