Legal analysis: If you are cheated, please keep relevant evidence. Basically, the following points can be restored: 1, the platform is still operating and has not run away; 2. There is a chat between the salesman and the teacher; 3. Have cash flow or transfer records. 4. The transaction operation is within half a year; 5. The loss amount is more than 50,000 yuan; 6. Investment in margin financing and securities lending, indexes, stock options, stock matching, foreign exchange, digital coins, commodity trading centers, futures and other products can be recovered through rights protection.

Legal basis: According to Article 50 of People's Republic of China (PRC) Railway Criminal Law, all materials that can be used to prove the facts of a case are evidence. Evidence includes: (1) physical evidence; (2) Documentary evidence; (3) Testimony of witnesses; (4) the victim's statement; (5) confessions and excuses of criminal suspects and defendants; (6) Appraisal opinions; (7) Records of the inquest, inspection, appraisal, investigation and experiment; (8) Audio-visual materials and electronic data. The evidence must be verified before it can be used as the basis for finalizing the case.