(sqlalchemy.dialects.postgresql.asyncpg.ProgrammingError) <class 'asyncpg.exceptions.InsufficientPrivilegeError'>: permission denied for schema public [SQL: CREATE TABLE news ( id SERIAL NOT NULL, url VARCHAR NOT NULL, title VARCHAR NOT NULL, source VARCHAR NOT NULL, content TEXT, summary TEXT, is_ai_summary BOOLEAN, heat_score FLOAT, publish_date TIMESTAMP WITHOUT TIME ZONE, crawled_at TIMESTAMP WITHOUT TIME ZONE, sources JSON, embedding FLOAT[], sentiment_score FLOAT, sentiment_label VARCHAR, category VARCHAR, region VARCHAR, keywords JSON, entities JSON, PRIMARY KEY (id) ) ] (Background on this error at: https://sqlalche.me/e/20/f405)。请到“管理”页面检查数据库配置。