diff --git a/src/read_handle_server.c b/src/read_handle_server.c
index eb50f65..ff8335f 100755
--- a/src/read_handle_server.c
+++ b/src/read_handle_server.c
@@ -661,7 +661,7 @@ int mqtt3_handle_subscribe(struct mosquitto_db *db, struct mosquitto *context)
 				}
 			}
 
-			if(qos != 0x80){
+			if(qos != 0x80){ //mosquitto_acl_check如果检查没有问题
                         //        printf("it's crutial to subclient%s\n", sub);
 				rc2 = mqtt3_sub_add(db, context, sub, qos, &db->subs);
 				if(rc2 == MOSQ_ERR_SUCCESS){
diff --git a/src/subs.c b/src/subs.c
index 949cdbc..b289cdf 100755
--- a/src/subs.c
+++ b/src/subs.c
@@ -566,7 +566,7 @@ void mqtt3_sub_tree_print(struct _mosquitto_subhier *root, int level)//负责打
 	int i;
 	struct _mosquitto_subhier *branch;
 	struct _mosquitto_subleaf *leaf;
-
+        struct _mosquitto_packet *packet; //allan adds
 	for(i=0; i<level*2; i++){
 		printf(" ");
 	}
@@ -575,6 +575,19 @@ void mqtt3_sub_tree_print(struct _mosquitto_subhier *root, int level)//负责打
 	while(leaf){
 		if(leaf->context){
 			printf(" (context->id:%s, qos:%d)", leaf->context->id, leaf->qos);
+                        printf("last_mid:%d\n", leaf->context->last_mid);
+                        packet = leaf->context->out_packet;
+                        while(packet)
+                        {
+                            printf("packet payload:%s\n", packet->payload);
+                            packet = packet->next;
+                        }
+                        packet = leaf->context->current_out_packet;
+                        while(packet)
+                        {
+                            printf("packet payload:%s\n", packet->payload);
+                            packet = packet->next;
+                        }
 		}else{
 			printf(" (%s, qos:%d)", "", leaf->qos);
 		}