diff --git a/dhcp_tools/detail_wnd.c b/dhcp_tools/detail_wnd.c
index cbc6ad2..8395fc9 100644
--- a/dhcp_tools/detail_wnd.c
+++ b/dhcp_tools/detail_wnd.c
@@ -405,6 +405,9 @@ void details_wnd_show(PDHCP_INFO pInfo) {
                     }
                 }
 
+                gtk_text_buffer_insert(g_pTxtBuf[i], &iter, buf, -1);
+                memset(buf, 0, 128);
+
                 for (int m = 0; m < 16; m++) {
                     if (isprint(g_HexBuf[i]->p[k * 16 + m])) {
                         char bufStr[2] = {0};