Deepchat SMS高风险词语和内容（仅供参考）：

政府：CRA，Canada Revenue Agency，Service Canada，CBSA，RCMP，Government of Canada
退税：tax refund，GST/HST refund，tax credit，benefit payment，rebate，e-transfer，deposit
催促操作：immediately，urgent，as soon as possible，action required，final notice，expires today
威胁或处罚：penalty，fine，arrest，warrant，deportation，legal action，account suspended
索取信息：verify your identity，SIN，banking information，card details，password，login
引导点击：click here，tap the link，claim now，process your refund，confirm your account，reply YES/HELP
高风险推广：winner，prize，free gift，guranteed return，crypto investment，instant loan

**这些词并非一律禁止；危险的是机构+退款+紧迫感+网址引导