diff --git a/src/i18n-keysets/component.aside-header-settings.view/en.json b/src/i18n-keysets/component.aside-header-settings.view/en.json
index d7e53013aa..75347607e6 100644
--- a/src/i18n-keysets/component.aside-header-settings.view/en.json
+++ b/src/i18n-keysets/component.aside-header-settings.view/en.json
@@ -4,6 +4,7 @@
   "field_language": "Language",
   "label_language-en": "English",
   "label_language-ru": "Русский",
+  "label_language-zh-cn": "中文",
   "label_not-found": "No results",
   "label_placeholder-search": "Search settings",
   "label_title": "Settings",
diff --git a/src/i18n-keysets/component.aside-header-settings.view/ru.json b/src/i18n-keysets/component.aside-header-settings.view/ru.json
index 1bad0ead6c..b1fa0b7a7a 100644
--- a/src/i18n-keysets/component.aside-header-settings.view/ru.json
+++ b/src/i18n-keysets/component.aside-header-settings.view/ru.json
@@ -4,6 +4,7 @@
   "field_language": "Язык",
   "label_language-en": "English",
   "label_language-ru": "Русский",
+  "label_language-zh-cn": "中文",
   "label_not-found": "Ничего не найдено",
   "label_placeholder-search": "Найти настройки",
   "label_title": "Настройки",
diff --git a/src/i18n-keysets/wizard/en.json b/src/i18n-keysets/wizard/en.json
index d2ad7253b2..f95833b76e 100644
--- a/src/i18n-keysets/wizard/en.json
+++ b/src/i18n-keysets/wizard/en.json
@@ -296,7 +296,7 @@
   "label_visualization-types-pie": "Pie",
   "label_visualization-types-table": "Tables",
   "label_week": "Week",
-  "label_widget-name-copy": "{{name}} - copy",
+  "label_widget-name-copy": "{{name}}-copy",
   "label_without-group": "Without grouping",
   "label_year": "Year",
   "label_yellow": "Yellow (shades)",
diff --git a/src/i18n-keysets/wizard/ru.json b/src/i18n-keysets/wizard/ru.json
index e60722ad68..5c9b9c4b87 100644
--- a/src/i18n-keysets/wizard/ru.json
+++ b/src/i18n-keysets/wizard/ru.json
@@ -296,7 +296,7 @@
   "label_visualization-types-pie": "Круговые",
   "label_visualization-types-table": "Таблицы",
   "label_week": "Неделя",
-  "label_widget-name-copy": "{{name}} - копия",
+  "label_widget-name-copy": "{{name}}-копия",
   "label_without-group": "Без группировки",
   "label_year": "Год",
   "label_yellow": "Желтый (оттенки)",
diff --git a/src/i18n/index.ts b/src/i18n/index.ts
index d9435b8c11..cf4250905b 100644
--- a/src/i18n/index.ts
+++ b/src/i18n/index.ts
@@ -14,7 +14,7 @@ if (isBrowserEnv && !isJestEnv) {
     i18nPrepared = initI18n({lang, content: window[GLOBAL_I18N_VAR] || {}});
 } else {
     // empty keysets for jest (mock i18n as needed)
-    i18nPrepared = initI18n([{lang: 'ru'}, {lang: 'en'}]);
+    i18nPrepared = initI18n([{lang: 'ru'}, {lang: 'zh-cn'}, {lang: 'en'}]);
 }
 
 export const I18N = i18nPrepared.I18N;
diff --git a/src/i18n/prepare-keysets/constants.ts b/src/i18n/prepare-keysets/constants.ts
index 528d9a246c..59adb62f80 100644
--- a/src/i18n/prepare-keysets/constants.ts
+++ b/src/i18n/prepare-keysets/constants.ts
@@ -1,2 +1,2 @@
-export const KEYSET_LANGUAGES = ['ru', 'en'];
+export const KEYSET_LANGUAGES = ['ru', 'zh-cn', 'en'];
 export const LANG_FOR_TYPES = 'ru';
diff --git a/src/server/configs/opensource/common.ts b/src/server/configs/opensource/common.ts
index 6b5ceb0579..1394c90854 100644
--- a/src/server/configs/opensource/common.ts
+++ b/src/server/configs/opensource/common.ts
@@ -30,7 +30,7 @@ export default {
 
     regionalEnvConfig: {
         defaultLang: Language.En,
-        allowLanguages: [Language.En, Language.Ru],
+        allowLanguages: [Language.En, Language.Cn, Language.Ru],
     },
 
     csp: 'disabled',
diff --git a/src/shared/constants/common.ts b/src/shared/constants/common.ts
index c615babf7e..adc474bfa4 100644
--- a/src/shared/constants/common.ts
+++ b/src/shared/constants/common.ts
@@ -21,6 +21,7 @@ export enum AppMode {
 export enum Language {
     Ru = 'ru',
     En = 'en',
+    Cn = 'zh-cn',
 }
 
 export enum DeviceType {