diff --git a/usrc/service/extern_if_service.c b/usrc/service/extern_if_service.c
index 2313ac0..0aff443 100644
--- a/usrc/service/extern_if_service.c
+++ b/usrc/service/extern_if_service.c
@@ -95,6 +95,15 @@ static bool process_rx_packet(extern_if_service_context_t *cx, uint8_t *data, ui
     reg_manager_read_regs(rxpacket->data[0], rxpacket->data[1], &regcache[0], &len);
     create_receipt(cx, 0, regcache, len);
   }
+
+  else if (rxpacket->cmd == kzaf_cmd_reg_read_regs) {
+    static uint32_t regcache[MAX_REG_NUM + 1];
+    uint32_t        len = MAX_REG_NUM;
+
+    reg_manager_read_regs(rxpacket->data[0], rxpacket->data[1], &regcache[0], &len);
+    create_receipt(cx, 0, regcache, len);
+  }
+
   /*******************************************************************************
    *                                 ²úÉúеÄMAC                                 *
    *******************************************************************************/
@@ -112,6 +121,8 @@ static bool process_rx_packet(extern_if_service_context_t *cx, uint8_t *data, ui
   } else if (rxpacket->cmd == kzaf_cmd_storage_cfg) {
     config_flush();
     create_receipt(cx, 0, NULL, 0);
+  } else if (rxpacket->cmd == kzaf_cmd_ping) {
+    create_receipt(cx, 0, NULL, 0);
   }
   return true;
 }
diff --git a/zfpga_basic_protocol b/zfpga_basic_protocol
index eb14cf9..e3db34b 160000
--- a/zfpga_basic_protocol
+++ b/zfpga_basic_protocol
@@ -1 +1 @@
-Subproject commit eb14cf988689954200e3a083b9b0d7b52260f4d7
+Subproject commit e3db34bff7e93791f78fc1c8d6fa6333561f1037