From 707a162df891d6c2747e439fe4461ae28d43ba35 Mon Sep 17 00:00:00 2001
From: Kang Miao <kang@ciandt.com>
Date: Sat, 26 Dec 2020 14:13:31 +0800
Subject: [PATCH 1/2] Fixed issue that missing catalog if we just enable
 multilingual tag but no translation content.

---
 _includes/footer.html | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/_includes/footer.html b/_includes/footer.html
index 28b6d5796dc..77ba0f15454 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -161,9 +161,13 @@
 
         // interop with multilangual 
         if ('{{ page.multilingual }}' == 'true') {
-            _containerSelector = 'div.post-container.active'
+            _containerSelector = 'div.post-container.active';
         } else {
-            _containerSelector = 'div.post-container'
+            _containerSelector = 'div.post-container';
+        }
+
+        if (!$(_containerSelector).length) {
+            _containerSelector = 'div.post-container';
         }
 
         // init

From b17636c4814ea1bed19c53f3f086a04c534f56a8 Mon Sep 17 00:00:00 2001
From: Kang Miao <kang@ciandt.com>
Date: Sat, 26 Dec 2020 14:42:44 +0800
Subject: [PATCH 2/2] Fixed issue that js broken if we just enable multilingual
 tag but no translation content.

---
 _includes/footer.html | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/_includes/footer.html b/_includes/footer.html
index 77ba0f15454..c8d3b0ce124 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -242,19 +242,19 @@
     function _render() {
         var lang = getLang()
         // en
-        if (lang == "en") {
+        if (lang == "en" && $en) {
             $select.selectedIndex = 1;
-            $en.style.display = "block";
-            $en.classList.add("active");
-            $zh.style.display = "none";
-            $zh.classList.remove("active");
+            $en && ($en.style.display = "block");
+            $en && ($en.classList.add("active"));
+            $zh && ($zh.style.display = "none");
+            $zh && ($zh.classList.remove("active"));
             // default to zh-cn
         } else {
             $select.selectedIndex = 0;
-            $zh.style.display = "block";
-            $zh.classList.add("active");
-            $en.style.display = "none";
-            $en.classList.remove("active");
+            $zh && ($zh.style.display = "block");
+            $zh && ($zh.classList.add("active"));
+            $en && ($en.style.display = "none");
+            $en && ($en.classList.remove("active"));
         }
         // interop with catalog 
         generateCatalog(".catalog-body");