diff --git a/src/sf_proto.c b/src/sf_proto.c
index 7d7714e..d4b9420 100644
--- a/src/sf_proto.c
+++ b/src/sf_proto.c
@@ -411,6 +411,10 @@ const char *sf_get_cmd_caption(const int cmd)
             return "GET_LEADER_REQ";
         case SF_SERVICE_PROTO_GET_LEADER_RESP:
             return "GET_LEADER_RESP";
+        case SF_CLUSTER_PROTO_GET_SERVER_STATUS_REQ:
+            return "GET_SERVER_STATUS_REQ";
+        case SF_CLUSTER_PROTO_GET_SERVER_STATUS_RESP:
+            return "GET_SERVER_STATUS_RESP";
         default:
             return "UNKOWN";
     }
diff --git a/src/sf_proto.h b/src/sf_proto.h
index 45d0121..8974fdb 100644
--- a/src/sf_proto.h
+++ b/src/sf_proto.h
@@ -48,6 +48,9 @@
 #define SF_SERVICE_PROTO_REPORT_REQ_RECEIPT_REQ   125
 #define SF_SERVICE_PROTO_REPORT_REQ_RECEIPT_RESP  126
 
+#define SF_CLUSTER_PROTO_GET_SERVER_STATUS_REQ    201
+#define SF_CLUSTER_PROTO_GET_SERVER_STATUS_RESP   202
+
 #define SF_PROTO_MAGIC_CHAR        '@'
 #define SF_PROTO_SET_MAGIC(m)   \
     m[0] = m[1] = m[2] = m[3] = SF_PROTO_MAGIC_CHAR
@@ -190,6 +193,22 @@ typedef struct sf_proto_report_req_receipt_body {
     char req_id[8];
 } SFProtoReportReqReceiptBody;
 
+typedef struct {
+    unsigned char servers[SF_CLUSTER_CONFIG_SIGN_LEN];
+    unsigned char cluster[SF_CLUSTER_CONFIG_SIGN_LEN];
+} SFProtoConfigSigns;
+
+typedef struct sf_proto_get_server_status_req {
+    SFProtoConfigSigns config_signs;
+    char server_id[4];  //my server id
+    char service_id[2];
+    union {
+        char is_leader;
+        char is_master;
+    };
+    char padding[1];
+} SFProtoGetServerStatusReq;
+
 typedef struct sf_group_server_info {
     int id;
     bool is_leader;
@@ -540,6 +559,26 @@ int sf_proto_get_leader(ConnectionInfo *conn,
         SFClientServerEntry *leader);
 
 
+static inline void sf_proto_get_server_status_pack(const int server_id,
+        const int service_id, const bool is_leader,
+        const unsigned char *servers_sign,
+        const unsigned char *cluster_sign,
+        SFProtoGetServerStatusReq *req)
+{
+    int2buff(server_id, req->server_id);
+    short2buff(service_id, req->service_id);
+    req->is_leader = (is_leader ? 1 : 0);
+    memcpy(req->config_signs.servers, servers_sign,
+            SF_CLUSTER_CONFIG_SIGN_LEN);
+    if (cluster_sign != NULL) {
+        memcpy(req->config_signs.cluster, cluster_sign,
+                SF_CLUSTER_CONFIG_SIGN_LEN);
+    } else {
+        memset(req->config_signs.cluster, 0,
+                SF_CLUSTER_CONFIG_SIGN_LEN);
+    }
+}
+
 #define SF_CLIENT_RELEASE_CONNECTION(cm, conn, result) \
     do { \
         if (SF_FORCE_CLOSE_CONNECTION_ERROR(result)) {  \