fix(coupon): correct knows issues

public/assets/admin/locales/en-US.js

@@ -1219,6 +1219,16 @@ window.XBOARD_TRANSLATIONS['en-US'] = {
       "error": {
         "saveFailed": "Failed to save coupon"
       }
+    },
+    "period": {
+      "monthly": "Monthly",
+      "quarterly": "Quarterly",
+      "half_yearly": "Half Yearly",
+      "yearly": "Yearly",
+      "two_yearly": "Two Yearly",
+      "three_yearly": "Three Yearly",
+      "onetime": "One Time",
+      "reset_traffic": "Reset Traffic"
     }
   },
   "notice": {

public/assets/admin/locales/ko-KR.js

@@ -1219,6 +1219,16 @@ window.XBOARD_TRANSLATIONS['ko-KR'] = {
       "error": {
         "saveFailed": "쿠폰 저장 실패"
       }
+    },
+    "period": {
+      "monthly": "월별",
+      "quarterly": "분기별",
+      "half_yearly": "반년별",
+      "yearly": "연간",
+      "two_yearly": "두 년",
+      "three_yearly": "세 년",
+      "onetime": "한 번",
+      "reset_traffic": "트래픽 재설정"
     }
   },
   "notice": {

public/assets/admin/locales/zh-CN.js

@@ -1211,6 +1211,16 @@ window.XBOARD_TRANSLATIONS['zh-CN'] = {
       "error": {
         "saveFailed": "保存优惠券失败"
       }
+    },
+    "period": {
+      "monthly": "月",
+      "quarterly": "季度",
+      "half_yearly": "半年",
+      "yearly": "年",
+      "two_yearly": "两年",
+      "three_yearly": "三年",
+      "onetime": "一次性",
+      "reset_traffic": "重置流量"
     }
   },
   "notice": {