[TD-1076]

src/kit/taosnetwork/client.c

@@ -66,9 +66,9 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
     case 'l':
       arguments->pktLen = atoi(arg);
       break;
+
     default:
-      printf("unknow parameter!\n");
-      break;
+      return ARGP_ERR_UNKNOWN;
   }
   return 0;
 }

src/kit/taosnetwork/server.c

@@ -66,8 +66,9 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
     case 'l':
       arguments->pktLen = atoi(arg);
       break;
+
     default:
-      break;
+      return ARGP_ERR_UNKNOWN;
   }
   return 0;
 }