diff --git a/content/en/maillist/dev.md b/content/en/maillist/dev.md
index 5b2c291200506e683c1c61de6d1910767022a4bf..eb23d60392830179618fdd9005dadc395b31feff 100644
--- a/content/en/maillist/dev.md
+++ b/content/en/maillist/dev.md
@@ -1,7 +1,7 @@
 +++
 listname = "Dev"
 emailaddress = "dev@openeuler.org"
-description = "Mail list for discussions on openEuler community development. Any topics related to community development can be discussed here. "
+description = "Mail list for discussions on openEuler community development. Any topics related to community development can be discussed here. All the project teams share this mail list and please add indicator in the title, e.g. [iSula]"
 websitelink = "https://mailweb.openeuler.org/postorius/lists/dev.openeuler.org"
 archivelink = "https://mailweb.openeuler.org/hyperkitty/list/dev@openeuler.org"
 weight =  2
diff --git a/content/en/maillist/tc.md b/content/en/maillist/tc.md
new file mode 100644
index 0000000000000000000000000000000000000000..2ccf812bf9774e733b2e610957188964f60a2976
--- /dev/null
+++ b/content/en/maillist/tc.md
@@ -0,0 +1,8 @@
++++
+listname = "TC"
+emailaddress = "tc@openeuler.org"
+description = "Mail list for discussions for openEuler Technical Community."
+websitelink = "https://mailweb.openeuler.org/postorius/lists/tc.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/tc@openeuler.org"
+weight =  9
++++
diff --git a/content/zh/maillist/dev.md b/content/zh/maillist/dev.md
index 2d1b8d1960239690269cb6663132804dc30bb365..f3dbc92e93561a2bfa42b5a7d739ff19cc305b0f 100644
--- a/content/zh/maillist/dev.md
+++ b/content/zh/maillist/dev.md
@@ -1,7 +1,7 @@
 +++
 listname = "Dev"
 emailaddress = "dev@openeuler.org"
-description = "openEuler社区开发讨论组。任何社区开发相关的话题都可以在这里讨论。"
+description = "openEuler社区开发讨论组。任何社区开发相关的话题都可以在这里讨论。所有开发项目都使用该列表，在标题上写标签，比如[iSula]"
 websitelink = "https://mailweb.openeuler.org/postorius/lists/dev.openeuler.org"
 archivelink = "https://mailweb.openeuler.org/hyperkitty/list/dev@openeuler.org"
 weight =  2
diff --git a/content/zh/maillist/tc.md b/content/zh/maillist/tc.md
new file mode 100644
index 0000000000000000000000000000000000000000..c4e9aba184cea131d28d1bfe5fe546413957e001
--- /dev/null
+++ b/content/zh/maillist/tc.md
@@ -0,0 +1,8 @@
++++
+listname = "TC"
+emailaddress = "tc@openeuler.org"
+description = "openEuler社区技术委员会讨论组。"
+websitelink = "https://mailweb.openeuler.org/postorius/lists/tc.openeuler.org"
+archivelink = "https://mailweb.openeuler.org/hyperkitty/list/tc@openeuler.org"
+weight =  9
++++