diff --git a/cmd/edge-api/main.go b/cmd/edge-api/main.go
index 60cd7e97..71606f9f 100644
--- a/cmd/edge-api/main.go
+++ b/cmd/edge-api/main.go
@@ -161,6 +161,20 @@ func main() {
 			}
 		}
 	})
+	app.On("instance", func() {
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		reply, err := sock.Send(&gosock.Command{Code: "instance"})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			replyJSON, err := json.MarshalIndent(reply.Params, "", "  ")
+			if err != nil {
+				fmt.Println("[ERROR]marshal result failed: " + err.Error())
+			} else {
+				fmt.Println(string(replyJSON))
+			}
+		}
+	})
 
 	app.Run(func() {
 		nodes.NewAPINode().Start()
diff --git a/internal/const/vars.go b/internal/const/vars.go
index 91350559..8ce3890f 100644
--- a/internal/const/vars.go
+++ b/internal/const/vars.go
@@ -2,9 +2,18 @@
 
 package teaconst
 
-var (
-	IsPlus         = false
-	MaxNodes int32 = 0
-	NodeId   int64 = 0
-	Debug          = false
+import (
+	"crypto/sha1"
+	"fmt"
+	"github.com/iwind/TeaGo/rands"
+	"github.com/iwind/TeaGo/types"
+	"time"
+)
+
+var (
+	IsPlus             = false
+	MaxNodes     int32 = 0
+	NodeId       int64 = 0
+	Debug              = false
+	InstanceCode       = fmt.Sprintf("%x", sha1.Sum([]byte("INSTANCE"+types.String(time.Now().UnixNano())+"@"+types.String(rands.Int64()))))
 )
diff --git a/internal/nodes/api_node.go b/internal/nodes/api_node.go
index 18709163..0c485994 100644
--- a/internal/nodes/api_node.go
+++ b/internal/nodes/api_node.go
@@ -677,6 +677,12 @@ func (this *APINode) listenSock() error {
 						Params: map[string]interface{}{"count": 0},
 					})
 				}
+			case "instance":
+				_ = cmd.Reply(&gosock.Command{
+					Params: map[string]interface{}{
+						"code": teaconst.InstanceCode,
+					},
+				})
 			}
 		})
 
diff --git a/internal/rpc/services/service_api_node.go b/internal/rpc/services/service_api_node.go
index df4cae9c..2c915a8e 100644
--- a/internal/rpc/services/service_api_node.go
+++ b/internal/rpc/services/service_api_node.go
@@ -273,8 +273,9 @@ func (this *APINodeService) FindCurrentAPINode(ctx context.Context, req *pb.Find
 		RestHTTPSJSON:   nil,
 		AccessAddrsJSON: node.AccessAddrs,
 		AccessAddrs:     accessAddrs,
-		StatusJSON:      nil,
+		StatusJSON:      node.Status,
 		IsPrimary:       node.IsPrimary,
+		InstanceCode:    teaconst.InstanceCode,
 	}}, nil
 }