update

db/index.js

@@ -131,7 +131,7 @@ ProjectBjtj.belongsTo(Project, { foreignKey: 'projectId' });
 Project.hasMany(ProjectCwpjzb, { foreignKey: 'projectId', as: 'projectCwpjzbs' });
 ProjectCwpjzb.belongsTo(Project, { foreignKey: 'projectId' });
 /**项目-项目附件 1:n */
-Project.hasMany(File, { through: 'jt_project_file', foreignKey: 'projectId', as: 'files', otherKey: 'fileId' });
+Project.belongsToMany(File, { through: 'jt_project_file', foreignKey: 'projectId', as: 'files', otherKey: 'fileId' });
 File.belongsTo(Project, { through: 'jt_project_file', foreignKey: 'fileId', otherKey: 'projectId' });
 /**项目-股东信息 1:n */
 Project.hasMany(ProjectGdxx, { foreignKey: 'projectId', as: 'projectGdxxs' });

db/model/jt/projectFile.js

 // models/User.js 
 const { DataTypes } = require('sequelize');
 const sequelize = require('../index');
-const File = require('./file');
+const File = require('../system/file');
 const Project = require('./project');
 
 const projectFile = sequelize.define('projectFile', {