diff --git a/app/index/lang/en-us/validate.php b/app/index/lang/en-us/validate.php
index a2d067e1..85232896 100644
--- a/app/index/lang/en-us/validate.php
+++ b/app/index/lang/en-us/validate.php
@@ -22,6 +22,7 @@ return [
     '公司名称不能超过:rule个字符' => 'Company name cannot exceed :rule characters',
     '公司地址不能为空' => 'Company Address is required',
     '公司地址不能超过:rule个字符' => 'Company Address cannot exceed :rule characters',
+    '留言不能为空' => 'Message is required',
     '企业规模不能为空' => 'Enterprise Size is required',
     '企业规模不能超过:rule个字符' => 'Enterprise Size cannot exceed :rule characters',
     '业务类型不能为空' => 'Type of Business is required',