diff --git a/deps/oblib/src/lib/net/ob_net_util.cpp b/deps/oblib/src/lib/net/ob_net_util.cpp
index e4acc5967d..d2c79cfd3b 100644
--- a/deps/oblib/src/lib/net/ob_net_util.cpp
+++ b/deps/oblib/src/lib/net/ob_net_util.cpp
@@ -77,6 +77,13 @@ int ObNetUtil::get_local_addr_ipv6(const char *dev_name, char *ipv6, int len,
       } // if end
       ifa_tmp = ifa_tmp->ifa_next;
     } // while end
+
+    // if dev_name is invalid, then level will keep its initial value(-1)
+    if (level == -1) {
+      ret = OB_INVALID_ARGUMENT;
+      LOG_WARN("invalid devname specified by -i", "devname", dev_name, "info",
+               "you may list devnames by shell command: ifconfig");
+    }
   }
 
   if (nullptr != ifa) {
@@ -111,6 +118,12 @@ uint32_t ObNetUtil::get_local_addr_ipv4(const char *dev_name)
       } // if end
       ifa_tmp = ifa_tmp->ifa_next;
     } // while end
+
+    if (!has_found) {
+      ret = OB_INVALID_ARGUMENT;
+      LOG_WARN("invalid devname specified by -i", "devname", dev_name, "info",
+               "you may list devnames by shell command: ifconfig");
+    }
   }
 
   if (nullptr != ifa) {