To Evaluate a Phase I/II Clinical Study of XNW5004 Tablets in Patients With Relapsed/Refractory Advanced Tumors

Inclusion Criteria: * Age: ≥ 18 years old; Gender unlimited * Pathologically confirmed, relapsed or refractory non Hodgkin's lymphoma (NHL). The definition of recurrence and refractory is as follows: Recurrence: After achieving remission, NHL meets the conditions for disease progression. For B-NHL patients, they should undergo a two line drug treatment regimen (with the first line containing CD20 monoclonal antibody), or a second line systemic treatment regimen that is not suitable/tolerated (such as toxic side effects, etc.); For T-NHL, first-line systemic chemotherapy should be administered, or if systemic chemotherapy is intolerant, and a regimen containing targeted CD30 drugs (including but not limited to Vibutuximab) or cetuximab should be administered. Refractory: Systemic medication treatment with at least two regimens and a total course of no less than 4 cycles of dose standard has not achieved partial remission. * Only limited to stage IIa, pathologically diagnosed, relapsed or refractory follicular lymphoma, peripheral T-cell lymphoma, and diffuse large B-cell lymphoma, with recurrence and refractory defined according to inclusion criteria 2: Cohort 1: Follicular lymphoma (EZH2 mutant): Subjects whose genetic testing results showed the presence of EZH2 gene mutations; If the subject is unable to provide previous genetic testing results or there is no EZH2 gene mutation information in the previous genetic testing results, tumor tissue samples or bone marrow samples …