-Update and fix bugs

Artificial intelligence assistant AI Assistant - Chat is an artificial intelligence application with the power of Chat GPT, GPT-3, GPT-4 to support problem solving. In education, AI Assistant - Chat helps teachers design lectures and provide reference materials to support learning. Guide students to study and solve exercises. In medicine, AI Assistant - Chat helps provide information and answer users' questions, support health consultation and give useful advice to users. In the business field, AI Assistant - Chat is used to support sales activities, online marketing, information search, prepare advertisements, scripts and build business plans AI Assistant - Chat brings many benefits to human life. AI Assistant - Chat helps save time and human effort, enhance user experience and improve work efficiency. In addition, AI Assistant - Chat also helps users save costs and improve service quality.