diff --git a/hrp/internal/boomer/boomer.go b/hrp/internal/boomer/boomer.go
index cfbd17ea..69b782b4 100644
--- a/hrp/internal/boomer/boomer.go
+++ b/hrp/internal/boomer/boomer.go
@@ -491,11 +491,20 @@ func (b *Boomer) Stop() error {
 	return b.masterRunner.stop()
 }
 
-// GetWorkersInfo gets workers
+// GetWorkersInfo gets workers information
 func (b *Boomer) GetWorkersInfo() []WorkerNode {
 	return b.masterRunner.server.getAllWorkers()
 }
 
+// GetMasterInfo gets master information
+func (b *Boomer) GetMasterInfo() map[string]interface{} {
+	masterInfo := make(map[string]interface{})
+	masterInfo["state"] = getStateName(b.masterRunner.getState())
+	masterInfo["workers"] = b.masterRunner.server.getClientsLength()
+	masterInfo["target_users"] = b.masterRunner.getSpawnCount()
+	return masterInfo
+}
+
 func (b *Boomer) GetCloseChan() chan bool {
 	switch b.mode {
 	case DistributedWorkerMode:
diff --git a/hrp/internal/boomer/runner.go b/hrp/internal/boomer/runner.go
index df68c155..9a2f8794 100644
--- a/hrp/internal/boomer/runner.go
+++ b/hrp/internal/boomer/runner.go
@@ -1064,11 +1064,26 @@ func (r *masterRunner) clientListener() {
 					workerInfo.setState(int32(builtin.BytesToInt64(msg.Data["state"])))
 				}
 				workerInfo.updateHeartbeat(3)
-				workerInfo.updateCPUUsage(builtin.ByteToFloat64(msg.Data["current_cpu_usage"]))
-				workerInfo.updateWorkerCPUUsage(builtin.ByteToFloat64(msg.Data["current_pid_cpu_usage"]))
-				workerInfo.updateMemoryUsage(builtin.ByteToFloat64(msg.Data["current_memory_usage"]))
-				workerInfo.updateWorkerMemoryUsage(builtin.ByteToFloat64(msg.Data["current_pid_memory_usage"]))
-				workerInfo.updateUserCount(builtin.BytesToInt64(msg.Data["current_users"]))
+				currentCPUUsage, ok := msg.Data["current_cpu_usage"]
+				if ok {
+					workerInfo.updateCPUUsage(builtin.ByteToFloat64(currentCPUUsage))
+				}
+				currentPidCpuUsage, ok := msg.Data["current_pid_cpu_usage"]
+				if ok {
+					workerInfo.updateWorkerCPUUsage(builtin.ByteToFloat64(currentPidCpuUsage))
+				}
+				currentMemoryUsage, ok := msg.Data["current_memory_usage"]
+				if ok {
+					workerInfo.updateMemoryUsage(builtin.ByteToFloat64(currentMemoryUsage))
+				}
+				currentPidMemoryUsage, ok := msg.Data["current_pid_memory_usage"]
+				if ok {
+					workerInfo.updateWorkerMemoryUsage(builtin.ByteToFloat64(currentPidMemoryUsage))
+				}
+				currentUsers, ok := msg.Data["current_users"]
+				if ok {
+					workerInfo.updateUserCount(builtin.BytesToInt64(currentUsers))
+				}
 			case typeSpawning:
 				workerInfo.setState(StateSpawning)
 			case typeSpawningComplete:
diff --git a/hrp/internal/boomer/runner_test.go b/hrp/internal/boomer/runner_test.go
index 5b71e451..f8a9e228 100644
--- a/hrp/internal/boomer/runner_test.go
+++ b/hrp/internal/boomer/runner_test.go
@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/httprunner/httprunner/v4/hrp/internal/boomer/grpc/messager"
+	"github.com/httprunner/httprunner/v4/hrp/internal/builtin"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -529,7 +530,7 @@ func TestHeartbeatWorker(t *testing.T) {
 	runner.server.recvChannel() <- &genericMessage{
 		Type:   typeHeartbeat,
 		NodeID: "testID2",
-		Data:   map[string]int64{"state": 3},
+		Data:   map[string][]byte{"state": builtin.Int64ToBytes(3)},
 	}
 	worker2, ok := runner.server.getClients().Load("testID2")
 	if !ok {
diff --git a/hrp/server.go b/hrp/server.go
index cb1c07b9..c060d409 100644
--- a/hrp/server.go
+++ b/hrp/server.go
@@ -135,10 +135,6 @@ type CommonResponseBody struct {
 }
 
 type APIGetWorkersRequestBody struct {
-	ID          string  `json:"id"`
-	State       int32   `json:"state"`
-	CPUUsage    float64 `json:"cpu_usage"`
-	MemoryUsage float64 `json:"memory_usage"`
 }
 
 type APIGetWorkersResponseBody struct {
@@ -146,6 +142,14 @@ type APIGetWorkersResponseBody struct {
 	Data []boomer.WorkerNode `json:"data"`
 }
 
+type APIGetMasterRequestBody struct {
+}
+
+type APIGetMasterResponseBody struct {
+	ServerStatus
+	Data map[string]interface{} `json:"data"`
+}
+
 type apiHandler struct {
 	boomer *HRPBoomer
 }
@@ -321,6 +325,16 @@ func (api *apiHandler) GetWorkersInfo(w http.ResponseWriter, r *http.Request) {
 	writeJSON(w, body, http.StatusOK)
 }
 
+func (api *apiHandler) GetMasterInfo(w http.ResponseWriter, r *http.Request) {
+	resp := &APIGetMasterResponseBody{
+		ServerStatus: EnumAPIResponseSuccess,
+		Data:         api.boomer.GetMasterInfo(),
+	}
+
+	body, _ := json.Marshal(resp)
+	writeJSON(w, body, http.StatusOK)
+}
+
 func (api *apiHandler) Handler() http.Handler {
 	mux := http.NewServeMux()
 
@@ -330,6 +344,7 @@ func (api *apiHandler) Handler() http.Handler {
 	mux.HandleFunc("/stop", methods(api.Stop, "GET"))
 	mux.HandleFunc("/quit", methods(api.Quit, "GET"))
 	mux.HandleFunc("/workers", methods(api.GetWorkersInfo, "GET"))
+	mux.HandleFunc("/master", methods(api.GetMasterInfo, "GET"))
 
 	return mux
 }