diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 552ec4f728..c899f8274a 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -11,7 +11,7 @@
         "@gatsbyjs/reach-router": "1.3.9",
         "@seafile/react-image-lightbox": "2.0.2",
         "@seafile/resumablejs": "1.1.16",
-        "@seafile/sdoc-editor": "0.1.16",
+        "@seafile/sdoc-editor": "0.1.19",
         "@seafile/seafile-calendar": "0.0.12",
         "@seafile/seafile-editor": "0.3.132",
         "@seafile/slate-react": "0.54.13",
@@ -5198,9 +5198,9 @@
       "license": "MIT"
     },
     "node_modules/@seafile/sdoc-editor": {
-      "version": "0.1.16",
-      "resolved": "https://registry.npmjs.org/@seafile/sdoc-editor/-/sdoc-editor-0.1.16.tgz",
-      "integrity": "sha512-8C/n68bK4biIM4dFHOcbJeV4yc8CRKLucNAq477VUFWStVj96ubvaZ6aUeqouOLbHkANCiGqX/SdKZw+RAmLmg==",
+      "version": "0.1.19",
+      "resolved": "https://registry.npmjs.org/@seafile/sdoc-editor/-/sdoc-editor-0.1.19.tgz",
+      "integrity": "sha512-r4fAurw2mQwijSn2HQW1TX6GWW1f/Px61ScQbunnrIMvLhvNu08lw4jK9dMVD/KkdHGBj1zibeoR4EUViVIesw==",
       "dependencies": {
         "@seafile/react-image-lightbox": "2.0.2",
         "@seafile/slate": "0.91.8",
@@ -33253,9 +33253,9 @@
       "version": "1.1.16"
     },
     "@seafile/sdoc-editor": {
-      "version": "0.1.16",
-      "resolved": "https://registry.npmjs.org/@seafile/sdoc-editor/-/sdoc-editor-0.1.16.tgz",
-      "integrity": "sha512-8C/n68bK4biIM4dFHOcbJeV4yc8CRKLucNAq477VUFWStVj96ubvaZ6aUeqouOLbHkANCiGqX/SdKZw+RAmLmg==",
+      "version": "0.1.19",
+      "resolved": "https://registry.npmjs.org/@seafile/sdoc-editor/-/sdoc-editor-0.1.19.tgz",
+      "integrity": "sha512-r4fAurw2mQwijSn2HQW1TX6GWW1f/Px61ScQbunnrIMvLhvNu08lw4jK9dMVD/KkdHGBj1zibeoR4EUViVIesw==",
       "requires": {
         "@seafile/react-image-lightbox": "2.0.2",
         "@seafile/slate": "0.91.8",
diff --git a/frontend/package.json b/frontend/package.json
index 27e4935abc..be00f037b4 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -6,7 +6,7 @@
     "@gatsbyjs/reach-router": "1.3.9",
     "@seafile/react-image-lightbox": "2.0.2",
     "@seafile/resumablejs": "1.1.16",
-    "@seafile/sdoc-editor": "0.1.16",
+    "@seafile/sdoc-editor": "0.1.19",
     "@seafile/seafile-calendar": "0.0.12",
     "@seafile/seafile-editor": "0.3.132",
     "@seafile/slate-react": "0.54.13",
diff --git a/media/sdoc-editor/locales/en/sdoc-editor.json b/media/sdoc-editor/locales/en/sdoc-editor.json
index ab19a5b760..c4e8fb93b4 100644
--- a/media/sdoc-editor/locales/en/sdoc-editor.json
+++ b/media/sdoc-editor/locales/en/sdoc-editor.json
@@ -230,5 +230,8 @@
   "Saving": "Saving...",
   "Collaborators": "Collaborators",
   "Online_members": "Online members",
-  "me": "me"
+  "me": "me",
+  "Server_is_not_connected_Operation_will_be_sent_to_server_later": "Server is not connected. Operation will be sent to server later.",
+  "Server_is_disconnected_Reconnecting": "Server is disconnected. Reconnecting...",
+  "Server_is_reconnected": "Server is reconnected."
 }
diff --git a/media/sdoc-editor/locales/zh-CN/sdoc-editor.json b/media/sdoc-editor/locales/zh-CN/sdoc-editor.json
index c6ebe29d0c..d2d8a03810 100644
--- a/media/sdoc-editor/locales/zh-CN/sdoc-editor.json
+++ b/media/sdoc-editor/locales/zh-CN/sdoc-editor.json
@@ -225,5 +225,8 @@
   "All_changes_saved": "所有更改均已保存",
   "Saving": "保存中...",
   "Online_members": "在线成员",
-  "me": "我"
+  "me": "我",
+  "Server_is_not_connected_Operation_will_be_sent_to_server_later": "服务器未连接。 操作稍后将发送到服务器。",
+  "Server_is_disconnected_Reconnecting": "服务器断开连接。正在重新连接...",
+  "Server_is_reconnected": "服务器已重新连接。"
 }