diff --git a/app/libs/custom_regexp.rb b/app/libs/custom_regexp.rb
index e778c5499..889da4df8 100644
--- a/app/libs/custom_regexp.rb
+++ b/app/libs/custom_regexp.rb
@@ -1,6 +1,6 @@
 module CustomRegexp
   PHONE = /1\d{10}/
-  EMAIL = /\A[a-zA-Z0-9]+([._\\]*[a-zA-Z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+\z/
+  EMAIL = /\A[a-zA-Z0-9]+([._\-\\]*[a-zA-Z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+\z/
   LOGIN = /^(?!_)(?!.*?_$)[a-zA-Z0-9_-]{4,15}\z/ #只含有数字、字母、下划线不能以下划线开头和结尾
   LASTNAME = /\A[a-zA-Z0-9\u4e00-\u9fa5]+\z/
   NICKNAME = /\A[\u4e00-\u9fa5_a-zA-Z0-9]+\z/