diff --git a/app_auto_backup/static/description/index.html b/app_auto_backup/static/description/index.html
index 351eae1f..0a73217e 100644
--- a/app_auto_backup/static/description/index.html
+++ b/app_auto_backup/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_crm_superbar/static/description/index.html b/app_crm_superbar/static/description/index.html
index 0172baa4..4869198a 100644
--- a/app_crm_superbar/static/description/index.html
+++ b/app_crm_superbar/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_saas/static/description/index.html b/app_saas/static/description/index.html
index 90751391..3d64d99c 100644
--- a/app_saas/static/description/index.html
+++ b/app_saas/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_sample/static/description/index.html b/app_sample/static/description/index.html
index f219da7d..07bac5f1 100644
--- a/app_sample/static/description/index.html
+++ b/app_sample/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/l10n_cn_standard_latest/static/description/index.html b/l10n_cn_standard_latest/static/description/index.html
index e93ba305..0a6f7b23 100644
--- a/l10n_cn_standard_latest/static/description/index.html
+++ b/l10n_cn_standard_latest/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################