display model info

ge/offline/main.cc

@@ -223,7 +223,8 @@ class GFlagUtils {
         "===== Basic Functionality =====\n"
         "[General]\n"
         "  --h/help            Show this help message\n"
-        "  --mode              Run mode. 0(default): generate offline model; 1: convert model to JSON format "
+        "  --mode              Run mode. 0(default): generate offline model; 1: convert model to JSON format; "
+        "6: display model info"
         "3: only pre-check; 5: convert ge dump txt file to JSON format\n"
         "\n[Input]\n"
         "  --model             Model file\n"