diff --git a/Internet/MQTT/MQTTPacket/src/MQTTFormat.c b/Internet/MQTT/MQTTPacket/src/MQTTFormat.c
index 1fcbb31..b08d7f2 100644
--- a/Internet/MQTT/MQTTPacket/src/MQTTFormat.c
+++ b/Internet/MQTT/MQTTPacket/src/MQTTFormat.c
@@ -117,7 +117,7 @@ char* MQTTFormat_toClientString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
   int32_t index = 0;
   int32_t rem_length = 0;
   MQTTHeader header = {0};
-  int32_t strindex = 0;
+  //int32_t strindex = 0;
 
   header.byte = buf[index++];
   index += MQTTPacket_decodeBuf(&buf[index], &rem_length);
@@ -128,7 +128,7 @@ char* MQTTFormat_toClientString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
       {
         uint8_t sessionPresent, connack_rc;
         if (MQTTDeserialize_connack(&sessionPresent, &connack_rc, buf, buflen) == 1)
-          strindex = MQTTStringFormat_connack(strbuf, strbuflen, connack_rc, sessionPresent);
+          /*strindex = */MQTTStringFormat_connack(strbuf, strbuflen, connack_rc, sessionPresent);
       }
       break;
     case PUBLISH:
@@ -141,7 +141,7 @@ char* MQTTFormat_toClientString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
 	
         if (MQTTDeserialize_publish(&dup, &qos, &retained, &packetid, &topicName, 
                                     &payload, &payloadlen, buf, buflen) == 1)
-          strindex = MQTTStringFormat_publish(strbuf, strbuflen, dup, qos, retained, 
+          /*strindex = */MQTTStringFormat_publish(strbuf, strbuflen, dup, qos, retained, 
                                               packetid, topicName, payload, payloadlen);
       }
       break;
@@ -153,7 +153,7 @@ char* MQTTFormat_toClientString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
 	uint8_t packettype, dup;
 	uint16_t packetid;
         if (MQTTDeserialize_ack(&packettype, &dup, &packetid, buf, buflen) == 1)
-          strindex = MQTTStringFormat_ack(strbuf, strbuflen, packettype, dup, packetid);
+          /*strindex = */MQTTStringFormat_ack(strbuf, strbuflen, packettype, dup, packetid);
       }
       break;
     case SUBACK:
@@ -162,20 +162,20 @@ char* MQTTFormat_toClientString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
 	int32_t maxcount = 1, count = 0;
 	int32_t grantedQoSs[1];
         if (MQTTDeserialize_suback(&packetid, maxcount, &count, grantedQoSs, buf, buflen) == 1)
-          strindex = MQTTStringFormat_suback(strbuf, strbuflen, packetid, count, grantedQoSs);
+          /*strindex = */MQTTStringFormat_suback(strbuf, strbuflen, packetid, count, grantedQoSs);
       }
       break;
     case UNSUBACK:
       {
 	uint16_t packetid;
 	if (MQTTDeserialize_unsuback(&packetid, buf, buflen) == 1)
-          strindex = MQTTStringFormat_ack(strbuf, strbuflen, UNSUBACK, 0, packetid);
+          /*strindex = */MQTTStringFormat_ack(strbuf, strbuflen, UNSUBACK, 0, packetid);
       }
       break;
     case PINGREQ:
     case PINGRESP:
     case DISCONNECT:
-      strindex = snprintf(strbuf, strbuflen, "%s", MQTTPacket_names[header.bits.type]);
+      /*strindex = */snprintf(strbuf, strbuflen, "%s", MQTTPacket_names[header.bits.type]);
       break;
   }
 	
@@ -188,7 +188,7 @@ char* MQTTFormat_toServerString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
   int32_t index = 0;
   int32_t rem_length = 0;
   MQTTHeader header = {0};
-  int32_t strindex = 0;
+  //int32_t strindex = 0;
 
   header.byte = buf[index++];
   index += MQTTPacket_decodeBuf(&buf[index], &rem_length);
@@ -201,7 +201,7 @@ char* MQTTFormat_toServerString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
         int32_t rc;
 		
         if ((rc = MQTTDeserialize_connect(&data, buf, buflen)) == 1)
-          strindex = MQTTStringFormat_connect(strbuf, strbuflen, &data);
+          /*strindex = */MQTTStringFormat_connect(strbuf, strbuflen, &data);
       }
       break;
     case PUBLISH:
@@ -214,7 +214,7 @@ char* MQTTFormat_toServerString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
 	
         if (MQTTDeserialize_publish(&dup, &qos, &retained, &packetid, &topicName,
                                     &payload, &payloadlen, buf, buflen) == 1)
-          strindex = MQTTStringFormat_publish(strbuf, strbuflen, dup, qos, retained, 
+          /*strindex = */MQTTStringFormat_publish(strbuf, strbuflen, dup, qos, retained, 
                                               packetid,	topicName, payload, payloadlen);
       }
       break;
@@ -227,7 +227,7 @@ char* MQTTFormat_toServerString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
 	uint16_t packetid;
         
         if (MQTTDeserialize_ack(&packettype, &dup, &packetid, buf, buflen) == 1)
-          strindex = MQTTStringFormat_ack(strbuf, strbuflen, packettype, dup, packetid);
+          /*strindex = */MQTTStringFormat_ack(strbuf, strbuflen, packettype, dup, packetid);
       }
       break;
     case SUBSCRIBE:
@@ -240,7 +240,7 @@ char* MQTTFormat_toServerString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
 	
         if (MQTTDeserialize_subscribe(&dup, &packetid, maxcount, &count,
                                       topicFilters, requestedQoSs, buf, buflen) == 1)
-          strindex = MQTTStringFormat_subscribe(strbuf, strbuflen, dup, packetid, count, topicFilters, requestedQoSs);;
+          /*strindex = */MQTTStringFormat_subscribe(strbuf, strbuflen, dup, packetid, count, topicFilters, requestedQoSs);;
       }
       break;
     case UNSUBSCRIBE:
@@ -250,13 +250,13 @@ char* MQTTFormat_toServerString(char* strbuf, int32_t strbuflen, uint8_t* buf, i
 	int32_t maxcount = 1, count = 0;
 	MQTTString topicFilters[1];
 	if (MQTTDeserialize_unsubscribe(&dup, &packetid, maxcount, &count, topicFilters, buf, buflen) == 1)
-          strindex =  MQTTStringFormat_unsubscribe(strbuf, strbuflen, dup, packetid, count, topicFilters);
+          /*strindex = */MQTTStringFormat_unsubscribe(strbuf, strbuflen, dup, packetid, count, topicFilters);
       }
       break;
     case PINGREQ:
     case PINGRESP:
     case DISCONNECT:
-      strindex = snprintf(strbuf, strbuflen, "%s", MQTTPacket_names[header.bits.type]);
+      /*strindex = */snprintf(strbuf, strbuflen, "%s", MQTTPacket_names[header.bits.type]);
       break;
   }