From 159b9236980a549efcecddbb2289225564f465a1 Mon Sep 17 00:00:00 2001
From: anlicheng <244108715@qq.com>
Date: Wed, 19 Feb 2025 11:53:10 +0800
Subject: [PATCH] fix format

---
 apps/iot/src/iot_host_mapper.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/apps/iot/src/iot_host_mapper.erl b/apps/iot/src/iot_host_mapper.erl
index ec91456..c6b3b97 100644
--- a/apps/iot/src/iot_host_mapper.erl
+++ b/apps/iot/src/iot_host_mapper.erl
@@ -78,7 +78,10 @@ handle_cast({ips, HostUUID, Ips}, State = #state{mapper = Mapper}) ->
         false ->
             %% 写入到文件
             Items = maps:to_list(NMapper),
-            Lines = lists:map(fun({HostUUID0, Ips0}) -> iolist_to_binary([HostUUID0, <<"\t">>, Ips0]) end, Items),
+            Lines = lists:map(fun({HostUUID0, Ips0}) ->
+                BinIps = iolist_to_binary(lists:join(<<", ">>, Ips0)),
+                iolist_to_binary([HostUUID0, <<"\t">>, BinIps])
+                              end, Items),
             Content = iolist_to_binary(lists:join(<<"\n">>, Lines)),
             Filename = code:root_dir() ++ "/log/host_mapper.txt",
             ok = file:write_file(Filename, Content, [write]),