diff --git a/app/include/pd_dau.h b/app/include/pd_dau.h
index 98421be..d7ce4fa 100755
--- a/app/include/pd_dau.h
+++ b/app/include/pd_dau.h
@@ -53,7 +53,6 @@
 /* Exported types ------------------------------------------------------------*/
 typedef int32_t (*dau_recv_cb)(uint8_t, char*, uint16_t);
 typedef int32_t (*dau_send_cb)(uint8_t, uint8_t, void*);
-typedef void (*dau_data_free_cb)(uint8_t);
 typedef void (*dau_show_cfg_cb)(uint8_t);
 typedef void (*dau_show_port_cb)(uint8_t, uint8_t);
 
@@ -200,7 +199,6 @@ typedef struct
     dau_state_t state;              // dau 状态
     dau_recv_cb recv_cb;            // dau 收包处理函数
     dau_send_cb send_cb;            // dau 收包处理函数
-    dau_data_free_cb free_cb;       // 内存释放函数
     dau_show_cfg_cb show_cfg_cb;    // 显示全局配置函数
     dau_show_port_cb show_port_cb;  // 显示端口配置函数
     int32_t fifo_send;              // 发包 fifo
diff --git a/app/include/pd_hf.h b/app/include/pd_hf.h
index e3974e5..940cce5 100755
--- a/app/include/pd_hf.h
+++ b/app/include/pd_hf.h
@@ -325,8 +325,7 @@ typedef struct
 /* Extern functions ----------------------------------------------------------*/
 extern int32_t hf_recv_process(uint8_t slot, char *pkt, uint16_t len);
 extern int32_t hf_send_process(uint8_t slot, uint8_t type, void *data);
-extern void* hf_data_malloc(void);
-extern void hf_data_free(uint8_t slot);
+extern void* hf_data_malloc(uint8_t slot);
 extern void hf_show_cfg(uint8_t slot);
 extern void hf_show_port(uint8_t slot, uint8_t port);
 #endif
diff --git a/app/lib/a_process/pd_dau.c b/app/lib/a_process/pd_dau.c
index 97f3f4f..1a64f4e 100755
--- a/app/lib/a_process/pd_dau.c
+++ b/app/lib/a_process/pd_dau.c
@@ -237,15 +237,9 @@ int _dau_insert(dau_t *dau)
 {
     if (3 == dau->info.type_m && 1 == dau->info.type_s)
     {
-        /* 申请和释放放在一起, 避免地址失效 */
-        if (dau->private_data && dau->free_cb)
-        {
-            dau->free_cb(dau->slot);
-        }
-        dau->private_data = hf_data_malloc();
+        hf_data_malloc(dau->slot);
         dau->recv_cb = hf_recv_process;
         dau->send_cb = hf_send_process;
-        dau->free_cb = hf_data_free;
         dau->show_cfg_cb = hf_show_cfg;
         dau->show_port_cb = hf_show_port;
     }
diff --git a/app/lib/a_process/pd_hf.c b/app/lib/a_process/pd_hf.c
index cf5b723..d7350d3 100755
--- a/app/lib/a_process/pd_hf.c
+++ b/app/lib/a_process/pd_hf.c
@@ -564,7 +564,7 @@ void _hf_recv_prps(uint8_t slot, char *pkt, uint16_t len)
 {
     dau_t *dau = &daus[slot];
     hf_data_t *hf_data = (hf_data_t*)dau->private_data;
-    hf_prps_t prps = hf_data->prps;
+    hf_prps_t *prps = &hf_data->prps;
     hf_prps_t *prps_send = NULL;
     hf_prps_head_t *head_prps = (hf_prps_head_t*)(pkt + sizeof(dau_pkt_head_t));
     char *data = (char*)(pkt + sizeof(dau_pkt_head_t) + sizeof(hf_prps_head_t));
@@ -573,10 +573,10 @@ void _hf_recv_prps(uint8_t slot, char *pkt, uint16_t len)
     /* 第一个报文 */
     if (0 == head_prps->pkt_index)
     {
-        memcpy(&prps.head, head_prps, sizeof(hf_prps_head_t));
+        memcpy(&prps->head, head_prps, sizeof(hf_prps_head_t));
     }
 
-    point = (char*)prps.prps;
+    point = (char*)prps->prps;
     point += head_prps->pkt_index * HF_DATA_LEN;
     memcpy(point, data, head_prps->len);
 
@@ -590,7 +590,7 @@ void _hf_recv_prps(uint8_t slot, char *pkt, uint16_t len)
             return;
         }
 
-        memcpy(prps_send, &prps, sizeof(hf_prps_t));
+        memcpy(prps_send, prps, sizeof(hf_prps_t));
     
         /* 发送给后台, 内存由后台释放 */
         if (dau_msg_send(DAU_SEND_PRPS, slot, prps_send) != E_NONE)
@@ -795,31 +795,32 @@ int32_t hf_send_process(uint8_t slot, uint8_t type, void *data)
 }
 
 /* 高频私有数据 */
-void* hf_data_malloc(void)
+void* hf_data_malloc(uint8_t slot)
 {
-    hf_data_t *p = XMALLOC_Q(MTYPE_HF, sizeof(hf_data_t));
-    if (!p)
+    dau_t *dau = &daus[slot];
+    hf_data_t *p = (hf_data_t*)dau->private_data;
+
+    /* 申请新内存 */
+    dau->private_data = XMALLOC_Q(MTYPE_HF, sizeof(hf_data_t));
+    if (!dau->private_data)
     {
         DBG(DBG_M_PD_HF_ERR, "XMALLOC ERROR!\r\n");
         return NULL;
     }
 
+    /* 释放旧内存 */
+    if (p)
+    {
+        XFREE(MTYPE_HF, p);
+    }
+
+    p = (hf_data_t*)dau->private_data;
     memset(&p->cfg, 0, sizeof(hf_cfg_t));
     memset(&p->port, 0, sizeof(hf_cfg_port_t) * PD_DAU_PORT_SUM);
 
     return p;
 }
 
-/* 高频私有数据释放 */
-void hf_data_free(uint8_t slot)
-{
-    hf_data_t *hf_data = (hf_data_t*)daus[slot].private_data;
-
-    XFREE(MTYPE_HF, hf_data);
-
-    return;
-}
-
 /* 显示全局配置 */
 void hf_show_cfg(uint8_t slot)
 {