diff --git a/web/src/components/MyEMS/common/PeriodTypeOptions.js b/web/src/components/MyEMS/common/PeriodTypeOptions.js
index 707262de..bf2ac204 100644
--- a/web/src/components/MyEMS/common/PeriodTypeOptions.js
+++ b/web/src/components/MyEMS/common/PeriodTypeOptions.js
@@ -1,5 +1,6 @@
 export const periodTypeOptions = [
     { value: 'yearly', label: 'Yearly' },
     { value: 'monthly', label: 'Monthly' },
+    { value: 'weekly', label: 'Weekly' },
     { value: 'daily', label: 'Daily' },
     { value: 'hourly', label: 'Hourly' }];
\ No newline at end of file
diff --git a/web/src/i18n.js b/web/src/i18n.js
index 428f5439..35ac6409 100644
--- a/web/src/i18n.js
+++ b/web/src/i18n.js
@@ -1614,6 +1614,7 @@ const resources = {
       "Period Types": "时间尺度",
       "Yearly": "年",
       "Monthly": "月",
+      "Weekly": "周",
       "Daily": "日",
       "Hourly": "时",
       "Submit": "提交",