优化

i18n/lang/en.json

@@ -368,7 +368,7 @@
     "b0": "Confirm Password",
     "b1": "Please confirm your password",
     "b2": "Recommended person",
-    "b3": "Please enter the recommender",
+    "b3": "Please enter the recommender(optional)",
     "b4": "Optional",
     "b5": "You have agreed",
     "b6": "User Agreement",

i18n/lang/zh-TW.json

@@ -368,7 +368,7 @@
     "b0": "確認密碼",
     "b1": "請確認密碼",
     "b2": "推薦人",
-    "b3": "請輸入推薦人",
+    "b3": "請輸入推薦人(選填)",
     "b4": "選填",
     "b5": "您已同意",
     "b6": "用戶協議",