diff --git a/usersrc/protocol.h b/usersrc/protocol.h
index 7f6147b..48bf439 100644
--- a/usersrc/protocol.h
+++ b/usersrc/protocol.h
@@ -13,6 +13,7 @@ typedef enum
   CMD_SET_AUTOMATIC_REPORTING_FREQUENCY = 0X01,
   CMD_GET_ENCODER_DATA = 0X02,
   CMD_SET_ACTIVE = 0X03,
+  CMD_CLEAR_ENCODER = 0X04,
 } cmd_id_type;
 
 #pragma pack(push, 1)
@@ -36,13 +37,13 @@ typedef struct
 
 typedef struct
 {
-  uint16_t index;          /*  */
-  uint16_t cmd_id;         /* 指令id */
-  uint32_t time_stamp_s;   /* 时间戳 */
+  uint16_t index;           /*  */
+  uint16_t cmd_id;          /* 指令id */
+  uint32_t time_stamp_s;    /* 时间戳 */
   uint32_t encoder_1_count; /* 编码器1计数 */
   uint32_t encoder_2_count; /* 编码器2计数 */
-  uint8_t device_id;       /* 设备ID号 */
-  uint8_t checksum;        /* 校验和 */
+  uint8_t device_id;        /* 设备ID号 */
+  uint8_t checksum;         /* 校验和 */
 } active_report_data_t;
 
 typedef struct
diff --git a/usersrc/udpclient.c b/usersrc/udpclient.c
index a5397da..c1472d3 100644
--- a/usersrc/udpclient.c
+++ b/usersrc/udpclient.c
@@ -207,6 +207,8 @@ void udp_client_parse(int recv_datalen)
                 udp_client_active_flag = rxcmd->data;
             }
             udp_client_create_basic_response(rxcmd, recv_datalen);
+            break;
+        case CMD_CLEAR_ENCODER: /* 清除编码器数据 */
 
             break;