fix comment and lint

Author: wxiaoguang

models/user.go

@@ -1712,7 +1712,8 @@ func SearchUsers(opts *SearchUserOptions) (users []*User, _ int64, _ error) {
 		sessQuery = db.SetSessionPagination(sessQuery, opts)
 	}
 
-	sessQuery =	sessQuery.Select("`user`.*")
+	// the sql may contain JOIN, so we must only select User related columns
+	sessQuery = sessQuery.Select("`user`.*")
 	users = make([]*User, 0, opts.PageSize)
 	return users, count, sessQuery.Find(&users)
 }

modules/context/context.go

@@ -636,8 +636,9 @@ func Contexter() func(next http.Handler) http.Handler {
 					"Link":          link,
 				},
 			}
+			// PageData is passed by reference, and it will be rendered to `window.config.PageData` in `head.tmpl` for JavaScript modules
 			ctx.PageData = map[string]interface{}{}
-			ctx.Data["PageData"] = ctx.PageData // by reference
+			ctx.Data["PageData"] = ctx.PageData
 
 			ctx.Req = WithContext(req, &ctx)
 			ctx.csrf = Csrfer(csrfOpts, &ctx)