diff --git a/app/include/pd_dau.h b/app/include/pd_dau.h
index 2f88baf..00a86bd 100755
--- a/app/include/pd_dau.h
+++ b/app/include/pd_dau.h
@@ -214,7 +214,8 @@ extern dau_t daus[PD_SLOTS_MAX];
 /* Extern functions ----------------------------------------------------------*/
 extern int32_t dau_handle_init(void);
 extern int32_t dau_handle_init_after(void);
-extern void dau_send_data(dau_t *dau, dau_head_init_t *head_data);
+extern void dau_data_send(dau_t *dau, dau_head_init_t *head_data);
+extern int32_t dau_msg_send_cmd(uint32_t type, void *data);
 #endif
 #endif
 /************************ (C) COPYRIGHT LandPower ***** END OF FILE ****/
diff --git a/app/include/pd_hf.h b/app/include/pd_hf.h
index 2c4528d..029c4b4 100755
--- a/app/include/pd_hf.h
+++ b/app/include/pd_hf.h
@@ -28,7 +28,8 @@ typedef struct
 typedef struct
 {
     uint8_t result;             // 应答结果. 0:失败 1:成功
-    uint8_t reserved[3];        // 保留 
+    uint8_t slot;               // slot id
+    uint8_t reserved[2];        // 保留 
 } hf_ack_t;
 
 typedef struct 
diff --git a/app/lib/a_process/pd_dau.c b/app/lib/a_process/pd_dau.c
index 88d573b..ac343df 100755
--- a/app/lib/a_process/pd_dau.c
+++ b/app/lib/a_process/pd_dau.c
@@ -39,7 +39,6 @@ dau_t daus[PD_SLOTS_MAX];
 /* Private function prototypes -----------------------------------------------*/
 
 /* Internal functions --------------------------------------------------------*/
-
 /* 包头填充 */
 void _dau_head_init(dau_t *dau, dau_head_init_t *head_data)
 {
@@ -125,7 +124,7 @@ void _dau_recv_connect(dau_t *dau, uint16_t recv_len)
     head_data.pkt_id = head->pkt_id;
     head_data.pkt = dau->buf_recv;
     head_data.len = sizeof(dau_pkt_head_t) + sizeof(dau_ack_t);
-    dau_send_data(dau, &head_data);
+    dau_data_send(dau, &head_data);
 
     return;
 }
@@ -274,7 +273,7 @@ int32_t dau_handle_init_after(void)
 }
 
 /* 数据发送 */
-void dau_send_data(dau_t *dau, dau_head_init_t *head_data)
+void dau_data_send(dau_t *dau, dau_head_init_t *head_data)
 {
     int32_t rv = 0;
 
@@ -288,4 +287,23 @@ void dau_send_data(dau_t *dau, dau_head_init_t *head_data)
     }
 }
 
+/* 发送数据到后台通讯进程. */
+int32_t dau_msg_send_cmd(uint32_t type, void *data)
+{
+    dau_send_msg_t msg;
+    
+    /* 封装消息. */
+    msg.type = type;
+    msg.data = data;
+
+    /* 发送消息 */
+    if (fifo_write(csg.fifo_cmd_id, (void*)(&msg), sizeof(dau_send_msg_t)) != sizeof(dau_send_msg_t))
+    {
+        DBG(DBG_M_PD_DAU_ERR, "DAU write ERROR! type=%d\r\n", type);
+        return E_ERROR;
+    }
+    
+    return E_NONE;
+}
+
 #endif
diff --git a/app/lib/a_process/pd_hf.c b/app/lib/a_process/pd_hf.c
index 18c7458..9d7f54b 100755
--- a/app/lib/a_process/pd_hf.c
+++ b/app/lib/a_process/pd_hf.c
@@ -124,7 +124,7 @@ void _hf_prps_get_send(uint8_t slot, void *data)
 
     memcpy(param, data, sizeof(hf_prps_get_t));
     
-    dau_send_data(dau, &head_data);
+    dau_data_send(dau, &head_data);
 
     return;
 }
@@ -148,7 +148,7 @@ void _hf_heartbeat_recv(uint8_t slot, char *pkt, uint16_t len)
     head_data.pkt = pkt;
     head_data.len = sizeof(dau_pkt_head_t) + 4;
     *timestamp = time(NULL);
-    dau_send_data(dau, &head_data);
+    dau_data_send(dau, &head_data);
 
     return;
 }
@@ -156,6 +156,27 @@ void _hf_heartbeat_recv(uint8_t slot, char *pkt, uint16_t len)
 /* 心跳报文接收 */
 void _hf_prps_get_recv(uint8_t slot, char *pkt, uint16_t len)
 {
+    hf_ack_t *ack = (hf_ack_t*)(pkt + sizeof(dau_pkt_head_t));
+    hf_ack_t *data = NULL;
+
+    /* 申请内存 */
+    data = XMALLOC(MTYPE_CSG, sizeof(hf_ack_t));
+    if (!data)
+    {
+        DBG(DBG_M_PD_HF_ERR, "XMALLOC ERROR!\r\n");
+        return;
+    }
+
+    /* 装填数据 */
+    data->result = ack->result;
+    data->slot = slot;
+
+    /* 发送给后台 */
+    if (dau_msg_send_cmd(DAU_SEND_PRPS, data) != E_NONE)
+    {
+        XFREE(MTYPE_CSG, data);
+    }
+
     return;
 }
 
@@ -224,7 +245,7 @@ void _hf_trend_recv(uint8_t slot, char *pkt, uint16_t len)
     ack.result = 0;
     ack.boosterpack = head_trend->boosterpack;
     memcpy(ack_p, &ack, sizeof(hf_trend_ack_t));
-    dau_send_data(dau, &head_data);
+    dau_data_send(dau, &head_data);
 
     return;
 }
@@ -287,7 +308,7 @@ void _hf_event_recv(uint8_t slot, char *pkt, uint16_t len)
     ack.result = 0;
     ack.boosterpack = head_event->boosterpack;
     memcpy(ack_p, &ack, sizeof(hf_event_ack_t));
-    dau_send_data(dau, &head_data);
+    dau_data_send(dau, &head_data);
 
     return;
 }