diff --git a/bin/tsg_l7_protocol.conf b/bin/tsg_l7_protocol.conf
index 7b53843..6981802 100644
--- a/bin/tsg_l7_protocol.conf
+++ b/bin/tsg_l7_protocol.conf
@@ -1,16 +1,16 @@
 #TYPE：1:UCHAR,2:USHORT,3:USTRING,4:ULOG,5:USTRING,6:FILE,7:UBASE64,8:PACKET
 #TYPE	FIELD		VALUE
-STRING	UNCATEGORIZED	15001
-#STRING	UNCATEGORIZED	15002
-#STRING	UNKNOWN_OTHER	15003
+STRING	UNCATEGORIZED	8000
+#STRING	UNCATEGORIZED	8001
+#STRING	UNKNOWN_OTHER	8002
 STRING	DNS		32
 STRING	FTP		45
 STRING	FTPS		751
 STRING	HTTP		67
 STRING	HTTPS		68
 STRING	ICMP		70
-STRING	IKE		15004
-STRING	MAIL		15005
+STRING	IKE		8003
+STRING	MAIL		8004
 STRING	IMAP		75
 STRING	IMAPS		76
 STRING	IPSEC		85
@@ -28,7 +28,7 @@ STRING	SMTPS		187
 STRING	SPDY		1469
 STRING	SSH		198
 STRING	SSL		199
-STRING	SOCKS		15006
+STRING	SOCKS		8005
 STRING	TELNET		209
 STRING	DHCP		29
 STRING	RADIUS		158
@@ -36,7 +36,7 @@ STRING	OPENVPN		336
 STRING	STUN		201
 STRING	TEREDO		555
 STRING	DTLS		1291
-STRING	DoH		15007
+STRING	DoH		8006
 STRING	ISAKMP		92
 STRING	MDNS		3835
 STRING	NETBIOS		129
@@ -44,7 +44,7 @@ STRING	NETFLOW		130
 STRING	RDP		150
 STRING	RTCP		174
 STRING	RTP		175
-STRING	SLP		15008
+STRING	SLP		8007
 STRING	SNMP		190
 STRING	SSDP		197
 STRING	TFTP		211
diff --git a/src/tsg_send_log.cpp b/src/tsg_send_log.cpp
index ab9d891..5a304f1 100644
--- a/src/tsg_send_log.cpp
+++ b/src/tsg_send_log.cpp
@@ -632,6 +632,10 @@ int TLD_append(struct TLD_handle_t *handle, char *key, void *value, TLD_TYPE typ
 		case	TLD_TYPE_FILE:
 			break;
 		case	TLD_TYPE_STRING:
+			if(strlen((char *)value)==0)
+			{
+				break;
+			}
 			cJSON_AddStringToObject(_handle->object, key, (char *)value);
 			break;
 		case	TLD_TYPE_CJSON:
@@ -641,7 +645,6 @@ int TLD_append(struct TLD_handle_t *handle, char *key, void *value, TLD_TYPE typ
 			return -1;
 			break;
 	}
-
 	
 	return 0;	
 }