diff --git a/src/lynq/framework/lynq-ril-service/src/ril.cpp b/src/lynq/framework/lynq-ril-service/src/ril.cpp
index 724bcb5..ccd0e01 100755
--- a/src/lynq/framework/lynq-ril-service/src/ril.cpp
+++ b/src/lynq/framework/lynq-ril-service/src/ril.cpp
@@ -6208,7 +6208,7 @@
             uint32_t* pFirstInt = (uint32_t*) const_cast<uint8_t*> (data);
                *pFirstInt=*pFirstInt+((index+1)<<SHM_BUFFER_INDEX_OFFSET)+((dataSize)<<SHM_BUFFER_SIZE_OFFSET);          
             dataSize=sizeof(int32_t)*2;
-            RLOGD("LYNQ_RIL_urcBroadcast use share mem level is %d, index is %d",level,index);
+            RLOGD("LYNQ_RIL_urcBroadcast use share mem level is %d, index is %d,pointer is %p",level,index,p_shm_buffer);
         }        
     }
     sent = sendto(lynq_urc_socket_fd, data, dataSize, 0, (struct sockaddr *)&urc_broadcast_addr, sizeof(urc_broadcast_addr));
diff --git a/src/lynq/lib/liblynq-call/lynq_module_socket.cpp b/src/lynq/lib/liblynq-call/lynq_module_socket.cpp
index a7f1ec7..ff45c02 100755
--- a/src/lynq/lib/liblynq-call/lynq_module_socket.cpp
+++ b/src/lynq/lib/liblynq-call/lynq_module_socket.cpp
@@ -320,6 +320,7 @@
     int res = 0;
     lynq_head_t* phead;
     int level,index,size;
+	uint8_t * shm_buffer;
    
     LYINFLOG("urc recv thread is running");
     while(module_urc_status)
@@ -345,7 +346,9 @@
         }      
         if(urc_data_is_in_shm_data(phead->resp_type,level,index,size))
         {
-            urc_p->setData((uint8_t *)get_shem_buffer(level,index),size); // p.setData((uint8_t *) buffer, buflen);                        
+            shm_buffer = (uint8_t *) get_shem_buffer(level,index);
+            LYINFLOG("shm pointer is %p", shm_buffer); 
+            urc_p->setData(shm_buffer,size); // p.setData((uint8_t *) buffer, buflen);                        
         }
         else if(res>=sizeof(int32_t)*3)
         {
diff --git a/src/lynq/lib/liblynq-network/lynq_module_socket.cpp b/src/lynq/lib/liblynq-network/lynq_module_socket.cpp
index b8c7c99..c3f7334 100755
--- a/src/lynq/lib/liblynq-network/lynq_module_socket.cpp
+++ b/src/lynq/lib/liblynq-network/lynq_module_socket.cpp
@@ -320,6 +320,7 @@
     int res = 0;
     lynq_head_t* phead;
     int level,index,size;
+    uint8_t * shm_buffer;
    
     LYINFLOG("urc recv thread is running");
     while(module_urc_status)
@@ -345,7 +346,9 @@
         }        
         if(urc_data_is_in_shm_data(phead->resp_type,level,index,size))
         {
-            urc_p->setData((uint8_t *)get_shem_buffer(level,index),size); // p.setData((uint8_t *) buffer, buflen);                        
+            shm_buffer = (uint8_t *) get_shem_buffer(level,index);
+            LYINFLOG("shm pointer is %p", shm_buffer); 
+            urc_p->setData(shm_buffer,size); // p.setData((uint8_t *) buffer, buflen);                        
         }
         else if(res>=sizeof(int32_t)*3)
         {
diff --git a/src/lynq/lib/liblynq-shm/lynq_shm.cpp b/src/lynq/lib/liblynq-shm/lynq_shm.cpp
index 3d27575..e06ca96 100755
--- a/src/lynq/lib/liblynq-shm/lynq_shm.cpp
+++ b/src/lynq/lib/liblynq-shm/lynq_shm.cpp
@@ -18,6 +18,8 @@
 
 int shmid=-1; 
 
+static int s_use_count=0;
+
 typedef struct{
     int num_of_buffer;
     int size_of_buffer;
@@ -142,10 +144,10 @@
 {
     if(shmid!=-1)
     {
-        if (shmctl(shmid, IPC_RMID, NULL) == -1) 
+        if (shmdt(s_ril_shm_buf) != 0) 
         {
-            RLOGE("shmctl error.\n");       
-        }
+            RLOGE("shmdt error.\n");      
+        }        
         shmid = -1;
     }
     s_ril_shm_buf = (void*) -1L;
@@ -154,16 +156,39 @@
 
 int ril_init_mem()
 {   
-    if(create_shm()!=0)
-    {
-        return -1;
+    pthread_mutex_lock(&s_shm_mtx);
+    RLOGE("init begin, use count is %d.\n",s_use_count);      
+    if(s_use_count==0)
+    {
+        if(create_shm()!=0)
+        {
+            RLOGE("init end, use count is %d.\n",s_use_count);       
+            pthread_mutex_unlock(&s_shm_mtx);
+            return -1;
+        }    
     }
+    s_use_count++;
+    RLOGE("init end, use count is %d.\n",s_use_count);       
+    pthread_mutex_unlock(&s_shm_mtx);
     return 0;
 }
 
 void ril_deinit_mem()
 {
-    remove_shm();   
+    pthread_mutex_lock(&s_shm_mtx);
+
+    RLOGE("de-init begin, use count is %d.\n",s_use_count);      
+    if(s_use_count==1)
+    {
+        remove_shm();        
+    }
+
+    if(s_use_count>0)
+    {
+        s_use_count--;    
+    }
+    RLOGE("de-init end, use count is %d.\n",s_use_count);      
+    pthread_mutex_unlock(&s_shm_mtx);
     return ;
 }