diff --git a/app/locale/de.json b/app/locale/de.json
index e92825a..fa15463 100644
--- a/app/locale/de.json
+++ b/app/locale/de.json
@@ -65,5 +65,10 @@
     "Connect": "Verbinden",
     "Password:": "Passwort:",
     "Cancel": "Abbrechen",
-    "Canvas not supported.": "Canvas nicht unterstützt."
+    "Canvas not supported.": "Canvas nicht unterstützt.",
+    "Disconnect timeout": "Zeitüberschreitung beim Trennen",
+    "Local Downscaling": "Lokales herunterskalieren",
+    "Local Cursor": "Lokaler Mauszeiger",
+    "Forcing clipping mode since scrollbars aren't supported by IE in fullscreen": "'Clipping-Modus' aktiviert, Scrollbalken in 'IE-Vollbildmodus' werden nicht unterstützt",
+    "True Color": "True Color"
 }
\ No newline at end of file
diff --git a/app/locale/el.json b/app/locale/el.json
index 4df3e03..57d6731 100644
--- a/app/locale/el.json
+++ b/app/locale/el.json
@@ -41,6 +41,7 @@
     "Reset": "Επαναφορά",
     "Clipboard": "Πρόχειρο",
     "Edit clipboard content in the textarea below.": "Επεξεργαστείτε το περιεχόμενο του πρόχειρου στην περιοχή κειμένου παρακάτω.",
+    "Full Screen": "Πλήρης Οθόνη",
     "Settings": "Ρυθμίσεις",
     "Shared Mode": "Κοινόχρηστη Λειτουργία",
     "View Only": "Μόνο Θέαση",
@@ -75,5 +76,25 @@
     "Username:": "Κωδικός Χρήστη:",
     "Password:": "Κωδικός Πρόσβασης:",
     "Send Credentials": "Αποστολή Διαπιστευτηρίων",
-    "Cancel": "Ακύρωση"
+    "Cancel": "Ακύρωση",
+    "Password is required": "Απαιτείται ο κωδικός πρόσβασης",
+    "viewport drag": "σύρσιμο θεατού πεδίου",
+    "Active Mouse Button": "Ενεργό Πλήκτρο Ποντικιού",
+    "No mousebutton": "Χωρίς Πλήκτρο Ποντικιού",
+    "Left mousebutton": "Αριστερό Πλήκτρο Ποντικιού",
+    "Middle mousebutton": "Μεσαίο Πλήκτρο Ποντικιού",
+    "Right mousebutton": "Δεξί Πλήκτρο Ποντικιού",
+    "Clear": "Καθάρισμα",
+    "Canvas not supported.": "Δεν υποστηρίζεται το στοιχείο Canvas",
+    "Disconnect timeout": "Παρέλευση χρονικού ορίου αποσύνδεσης",
+    "Local Downscaling": "Τοπική Συρρίκνωση",
+    "Local Cursor": "Τοπικός Δρομέας",
+    "Forcing clipping mode since scrollbars aren't supported by IE in fullscreen": "Εφαρμογή λειτουργίας αποκοπής αφού δεν υποστηρίζονται οι λωρίδες κύλισης σε πλήρη οθόνη στον IE",
+    "True Color": "Πραγματικά Χρώματα",
+    "Style:": "Στυλ:",
+    "default": "προεπιλεγμένο",
+    "Apply": "Εφαρμογή",
+    "Connection": "Σύνδεση",
+    "Token:": "Διακριτικό:",
+    "Send Password": "Αποστολή Κωδικού Πρόσβασης"
 }
\ No newline at end of file
diff --git a/app/locale/pl.json b/app/locale/pl.json
index 865f90c..87c1690 100644
--- a/app/locale/pl.json
+++ b/app/locale/pl.json
@@ -65,5 +65,16 @@
     "Connect": "Połącz",
     "Password:": "Hasło:",
     "Cancel": "Anuluj",
-    "Canvas not supported.": "Element Canvas nie jest wspierany."
+    "Canvas not supported.": "Element Canvas nie jest wspierany.",
+    "Disconnect timeout": "Timeout rozłączenia",
+    "Local Downscaling": "Downscaling lokalny",
+    "Local Cursor": "Lokalny kursor",
+    "Forcing clipping mode since scrollbars aren't supported by IE in fullscreen": "Wymuszam clipping mode ponieważ paski przewijania nie są wspierane przez IE w trybie pełnoekranowym",
+    "True Color": "True Color",
+    "Style:": "Styl:",
+    "default": "domyślny",
+    "Apply": "Zapisz",
+    "Connection": "Połączenie",
+    "Token:": "Token:",
+    "Send Password": "Wyślij Hasło"
 }
\ No newline at end of file
diff --git a/app/locale/sv.json b/app/locale/sv.json
index 83385cd..67f6675 100644
--- a/app/locale/sv.json
+++ b/app/locale/sv.json
@@ -4,7 +4,6 @@
     "Disconnecting...": "Kopplar ner...",
     "Reconnecting...": "Återansluter...",
     "Internal error": "Internt fel",
-    "Must set host": "Du måste specifiera en värd",
     "Failed to connect to server: ": "Misslyckades att ansluta till servern: ",
     "Connected (encrypted) to ": "Ansluten (krypterat) till ",
     "Connected (unencrypted) to ": "Ansluten (okrypterat) till ",
@@ -17,11 +16,11 @@
     "noVNC encountered an error:": "noVNC stötte på ett problem:",
     "Hide/Show the control bar": "Göm/Visa kontrollbaren",
     "Drag": "Dra",
-    "Move/Drag Viewport": "Flytta/Dra Vyn",
+    "Move/Drag viewport": "Flytta/Dra vyn",
     "Keyboard": "Tangentbord",
-    "Show Keyboard": "Visa Tangentbord",
+    "Show keyboard": "Visa tangentbord",
     "Extra keys": "Extraknappar",
-    "Show Extra Keys": "Visa Extraknappar",
+    "Show extra keys": "Visa extraknappar",
     "Ctrl": "Ctrl",
     "Toggle Ctrl": "Växla Ctrl",
     "Alt": "Alt",
@@ -44,13 +43,13 @@
     "Edit clipboard content in the textarea below.": "Redigera urklippets innehåll i fältet nedan.",
     "Full screen": "Fullskärm",
     "Settings": "Inställningar",
-    "Shared Mode": "Delat Läge",
-    "View Only": "Endast Visning",
-    "Clip to Window": "Begränsa till Fönster",
+    "Shared mode": "Delat läge",
+    "View only": "Endast visning",
+    "Clip to window": "Begränsa till fönster",
     "Scaling mode:": "Skalningsläge:",
     "None": "Ingen",
-    "Local Scaling": "Lokal Skalning",
-    "Remote Resizing": "Ändra Storlek",
+    "Local scaling": "Lokal skalning",
+    "Remote resizing": "Ändra storlek",
     "Advanced": "Avancerat",
     "Quality:": "Kvalitet:",
     "Compression level:": "Kompressionsnivå:",
@@ -60,7 +59,7 @@
     "Host:": "Värd:",
     "Port:": "Port:",
     "Path:": "Sökväg:",
-    "Automatic Reconnect": "Automatisk Återanslutning",
+    "Automatic reconnect": "Automatisk återanslutning",
     "Reconnect delay (ms):": "Fördröjning (ms):",
     "Show dot when no cursor": "Visa prick när ingen muspekare finns",
     "Logging:": "Loggning:",
@@ -76,6 +75,9 @@
     "Credentials": "Användaruppgifter",
     "Username:": "Användarnamn:",
     "Password:": "Lösenord:",
-    "Send Credentials": "Skicka Användaruppgifter",
-    "Cancel": "Avbryt"
+    "Send credentials": "Skicka användaruppgifter",
+    "Cancel": "Avbryt",
+    "Must set host": "Du måste specifiera en värd",
+    "HTTPS is required for full functionality": "HTTPS krävs för full funktionalitet",
+    "Clear": "Rensa"
 }
\ No newline at end of file
diff --git a/app/locale/zh_CN.json b/app/locale/zh_CN.json
index 63014c0..2898d2c 100644
--- a/app/locale/zh_CN.json
+++ b/app/locale/zh_CN.json
@@ -1,31 +1,33 @@
 {
+    "Running without HTTPS is not recommended, crashes or other issues are likely.": "不建议在没有 HTTPS 的情况下运行，可能会出现崩溃或出现其他问题。",
     "Connecting...": "连接中...",
+    "Disconnecting...": "正在断开连接...",
+    "Reconnecting...": "重新连接中...",
+    "Internal error": "内部错误",
+    "Must set host": "必须设置主机",
+    "Failed to connect to server: ": "无法连接到服务器：",
     "Connected (encrypted) to ": "已连接（已加密）到",
     "Connected (unencrypted) to ": "已连接（未加密）到",
-    "Disconnecting...": "正在断开连接...",
+    "Something went wrong, connection is closed": "出了点问题，连接已关闭",
+    "Failed to connect to server": "无法连接到服务器",
     "Disconnected": "已断开连接",
-    "Must set host": "必须设置主机",
-    "Reconnecting...": "重新连接中...",
-    "Password is required": "请提供密码",
-    "Disconnect timeout": "超时断开",
+    "New connection has been rejected with reason: ": "新连接被拒绝，原因如下：",
+    "New connection has been rejected": "新连接已被拒绝",
+    "Credentials are required": "需要凭证",
     "noVNC encountered an error:": "noVNC 遇到一个错误：",
     "Hide/Show the control bar": "显示/隐藏控制栏",
+    "Drag": "拖动",
     "Move/Drag viewport": "移动/拖动窗口",
-    "viewport drag": "窗口拖动",
-    "Active Mouse Button": "启动鼠标按键",
-    "No mousebutton": "禁用鼠标按键",
-    "Left mousebutton": "鼠标左键",
-    "Middle mousebutton": "鼠标中键",
-    "Right mousebutton": "鼠标右键",
     "Keyboard": "键盘",
     "Show keyboard": "显示键盘",
     "Extra keys": "额外按键",
     "Show extra keys": "显示额外按键",
     "Ctrl": "Ctrl",
     "Toggle Ctrl": "切换 Ctrl",
-    "Edit clipboard content in the textarea below.": "在下面的文本区域中编辑剪贴板内容。",
     "Alt": "Alt",
     "Toggle Alt": "切换 Alt",
+    "Toggle Windows": "切换窗口",
+    "Windows": "窗口",
     "Send Tab": "发送 Tab 键",
     "Tab": "Tab",
     "Esc": "Esc",
@@ -39,31 +41,53 @@
     "Reboot": "重启",
     "Reset": "重置",
     "Clipboard": "剪贴板",
-    "Clear": "清除",
-    "Fullscreen": "全屏",
+    "Edit clipboard content in the textarea below.": "在下面的文本区域中编辑剪贴板内容。",
+    "Full screen": "全屏",
     "Settings": "设置",
-    "Encrypt": "加密",
     "Shared mode": "分享模式",
     "View only": "仅查看",
     "Clip to window": "限制/裁切窗口大小",
     "Scaling mode:": "缩放模式：",
     "None": "无",
     "Local scaling": "本地缩放",
-    "Local Downscaling": "降低本地尺寸",
     "Remote resizing": "远程调整大小",
     "Advanced": "高级",
-    "Local Cursor": "本地光标",
+    "Quality:": "品质：",
+    "Compression level:": "压缩级别：",
     "Repeater ID:": "中继站 ID",
     "WebSocket": "WebSocket",
+    "Encrypt": "加密",
     "Host:": "主机：",
     "Port:": "端口：",
     "Path:": "路径：",
     "Automatic reconnect": "自动重新连接",
     "Reconnect delay (ms):": "重新连接间隔 (ms)：",
+    "Show dot when no cursor": "无光标时显示点",
     "Logging:": "日志级别：",
+    "Version:": "版本：",
     "Disconnect": "断开连接",
     "Connect": "连接",
+    "Server identity": "服务器身份",
+    "The server has provided the following identifying information:": "服务器提供了以下识别信息：",
+    "Fingerprint:": "指纹：",
+    "Please verify that the information is correct and press \"Approve\". Otherwise press \"Reject\".": "请核实信息是否正确，并按 “同意”，否则按 “拒绝”。",
+    "Approve": "同意",
+    "Reject": "拒绝",
+    "Credentials": "凭证",
+    "Username:": "用户名:",
     "Password:": "密码：",
+    "Send credentials": "发送凭证",
     "Cancel": "取消",
+    "Password is required": "请提供密码",
+    "Disconnect timeout": "超时断开",
+    "viewport drag": "窗口拖动",
+    "Active Mouse Button": "启动鼠标按键",
+    "No mousebutton": "禁用鼠标按键",
+    "Left mousebutton": "鼠标左键",
+    "Middle mousebutton": "鼠标中键",
+    "Right mousebutton": "鼠标右键",
+    "Clear": "清除",
+    "Local Downscaling": "降低本地尺寸",
+    "Local Cursor": "本地光标",
     "Canvas not supported.": "不支持 Canvas。"
 }
\ No newline at end of file