修复Oracle数据库用户表头像列为null时不显示默认头像问题

ruoyi-ui/src/store/modules/user.js

@@ -57,7 +57,7 @@ const user = {
       return new Promise((resolve, reject) => {
         getInfo().then(res => {
           const user = res.user
-          const avatar = user.avatar == "" ? require("@/assets/images/profile.jpg") : user.avatar;
+          const avatar = (user.avatar == "" || user.avatar == null) ? require("@/assets/images/profile.jpg") : user.avatar;
           if (res.roles && res.roles.length > 0) { // 验证返回的roles是否是一个非空数组
             commit('SET_ROLES', res.roles)
             commit('SET_PERMISSIONS', res.permissions)