diff --git a/common/include/kni_utils.h b/common/include/kni_utils.h
index da1ad6c..8255f9b 100644
--- a/common/include/kni_utils.h
+++ b/common/include/kni_utils.h
@@ -71,6 +71,9 @@ struct kni_tcpopt_info{
 #define KNI_FS_LINE_MAX     256
 enum kni_field{
 	KNI_FIELD_BYP_INTCPERR,
+	//intercept error  link mode
+	KNI_FIELD_INTCPERR_GET_LINK_MODE_ERR,
+	KNI_FIELD_INTCPERR_NOT_LINK_MODE_BYSYN,
 	//intercept error
 	KNI_FIELD_INTCPERR_ASYM_ROUTING,
 	KNI_FIELD_INTCPERR_NO_SYN,
diff --git a/entry/src/kni_entry.cpp b/entry/src/kni_entry.cpp
index d9184df..aff0ed4 100644
--- a/entry/src/kni_entry.cpp
+++ b/entry/src/kni_entry.cpp
@@ -34,6 +34,29 @@ extern "C" {
 #include "kni_pxy_tcp_option.h"
 #include "kni_dynamic_bypass.h"
 
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define GIT_VERSION_CATTER(v) __attribute__((__used__)) const char * GIT_VERSION_##v = NULL
+#define GIT_VERSION_EXPEND(v) GIT_VERSION_CATTER(v)
+
+/* VERSION TAG */
+#ifdef KNI_VAR_VERSION
+GIT_VERSION_EXPEND(KNI_VAR_VERSION);
+#else
+static __attribute__((__used__)) const char * GIT_VERSION_UNKNOWN = NULL;
+#endif
+#undef GIT_VERSION_CATTER
+#undef GIT_VERSION_EXPEND
+
+#ifdef __cplusplus
+}
+#endif
+
+
 struct kni_handle *g_kni_handle = NULL;
 struct kni_field_stat_handle *g_kni_fs_handle = NULL;
 int *arr_last_tfe_dispatch_index = NULL;
@@ -1014,6 +1037,22 @@ static int first_data_intercept(struct streaminfo *stream, struct pme_info *pmei
 	void *logger = g_kni_handle->local_logger;
 	char *buff = NULL;
 	int ret, len;
+    //intercept_error: TCP CTEAT LINK NOT BYSYN or TCP_CREATE_LINK_MODE error
+	unsigned char intercept_stream_link_mode;
+	int intercept_stream_link_mode_len = 1;
+	ret=MESA_get_stream_opt(stream, MSO_TCP_CREATE_LINK_MODE, (void *)&intercept_stream_link_mode, &intercept_stream_link_mode_len);
+	if(ret == 0){
+		if(intercept_stream_link_mode != TCP_CTEAT_LINK_BYSYN){
+			KNI_LOG_DEBUG(logger, "Intercept error: TCP_CREATE_LINK_MODE is not BYSYN, link_mode=%d, link_mode_len=%d,stream traceid = %s, stream addr = %s", intercept_stream_link_mode,intercept_stream_link_mode_len,pmeinfo->stream_traceid, pmeinfo->stream_addr);
+			FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_INTCPERR_NOT_LINK_MODE_BYSYN], 0, FS_OP_ADD, 1);
+			goto error_out;
+		}
+	}
+	else{
+		KNI_LOG_DEBUG(logger, "Intercept error: get TCP_CREATE_LINK_MODE error, ret = %d, stream traceid = %s, stream addr = %s",ret, pmeinfo->stream_traceid, pmeinfo->stream_addr);
+		FS_operate(g_kni_fs_handle->handle, g_kni_fs_handle->fields[KNI_FIELD_INTCPERR_GET_LINK_MODE_ERR], 0, FS_OP_ADD, 1);
+		goto error_out;
+	}
 	//intercept_error: no tfe
 	if(tsg_diagnose_judge_streamshunt(pmeinfo->maat_result.config_id,pmeinfo) == 0) // tsg  diagnose shunt
 		pmeinfo->tfe_id = tfe_mgr_alive_node_get(g_kni_handle->_tfe_mgr, thread_seq);
@@ -2004,6 +2043,9 @@ static struct kni_field_stat_handle * fs_init(const char *profile){
 
 	//bypass stream
 	fs_handle->fields[KNI_FIELD_BYP_INTCPERR] = FS_register(handle, FS_STYLE_FIELD, FS_CALC_CURRENT, "byp_intcp_err");
+	//intercept error  link mode
+	fs_handle->fields[KNI_FIELD_INTCPERR_GET_LINK_MODE_ERR] = FS_register(handle, FS_STYLE_FIELD, FS_CALC_CURRENT, "e_get_link_mode_err");
+	fs_handle->fields[KNI_FIELD_INTCPERR_NOT_LINK_MODE_BYSYN] = FS_register(handle, FS_STYLE_FIELD, FS_CALC_CURRENT, "e_no_link_mode_bysyn");
 	//intercept_error
 	fs_handle->fields[KNI_FIELD_INTCPERR_ASYM_ROUTING] = FS_register(handle, FS_STYLE_FIELD, FS_CALC_CURRENT, "e_asym_route");
 	fs_handle->fields[KNI_FIELD_INTCPERR_NO_SYN] = FS_register(handle, FS_STYLE_FIELD, FS_CALC_CURRENT, "e_no_syn");