diff --git a/app.R b/app.R
index 48cd64d..195b980 100644
--- a/app.R
+++ b/app.R
@@ -359,13 +359,13 @@ server <- function(input, output, session) {
       }
     )
 
-    exported_df <- setNames(exported_values, input_ids) |>
-        as_tibble()
+    exported_df <- stats::setNames(exported_values, input_ids) |>
+        dplyr::as_tibble()
 
     # пайплайн для главной таблицы
     if (table_name == "main") {
       exported_df <- exported_df |>
-        mutate(
+        dplyr::mutate(
           !!dplyr::sym(mhcs()$get_main_key_id) := values$main_key,
           .before = 1
         )
@@ -374,7 +374,7 @@ server <- function(input, output, session) {
     # для всех остальных таблицы (вложенные)
     if (table_name != "main") {
       exported_df <- exported_df |>
-        mutate(
+        dplyr::mutate(
           !!dplyr::sym(mhcs()$get_main_key_id) := values$main_key,
           !!dplyr::sym(nested_key_id)          := values$nested_key,
           .before = 1
@@ -546,12 +546,12 @@ server <- function(input, output, session) {
     str_cols  <- which(col_types$form_type != "date")
 
     values$data <- values$data |>
-      select(-mhcs()$get_main_key_id) |>
-      mutate(
+      dplyr::select(-mhcs()$get_main_key_id) |>
+      dplyr::mutate(
         dplyr::across(tidyselect::all_of({{date_cols}}), as.Date),
         dplyr::across(tidyselect::all_of({{str_cols}}), as.character),
       ) |>
-      arrange({{key_id}})
+      dplyr::arrange({{key_id}})
 
     output$dt_nested <- DT::renderDataTable(
       DT::datatable(
@@ -898,7 +898,7 @@ server <- function(input, output, session) {
     con <- db$make_db_connection(scheme(),"load_data_button")
     on.exit(db$close_db_connection(con, "load_data_button"))
 
-    if (length(dbListTables(con)) != 0 && "main" %in% DBI::dbListTables(con)) {
+    if (length(DBI::dbListTables(con)) != 0 && "main" %in% DBI::dbListTables(con)) {
 
       # GET DATA files
       ids <- db$get_keys_from_table("main", mhcs(), con)
@@ -1250,10 +1250,10 @@ server <- function(input, output, session) {
           dplyr::across(tidyselect::all_of({{number_columns}}), num_converter),
           dplyr::across(tidyselect::all_of({{other_cols}}), \(x) dplyr::if_else(x == "", as.character(NA), as.character(x)))
         ) |>
-        select(all_of(unique(c(main_key_id, scheme$form_id))))
+        dplyr::select(tidyselect::all_of(unique(c(main_key_id, scheme$form_id))))
 
       df_original <- DBI::dbReadTable(con, table_name) |>
-        as_tibble()
+        dplyr::as_tibble()
 
       if (input$upload_data_from_xlsx_owerwrite_all_data == TRUE) {
 
@@ -1262,7 +1262,7 @@ server <- function(input, output, session) {
       } else {
 
         # удаление данных в базе данных по ключам
-        walk(
+        purrr::walk(
           .x = unique(df[[main_key_id]]),
           .f = \(main_key) {
 
@@ -1308,7 +1308,7 @@ server <- function(input, output, session) {
   read_df_from_db_all <- function(table_name, con) {
 
     # check if this table exist
-    if (table_name %in% dbListTables(con)) {
+    if (table_name %in% DBI::dbListTables(con)) {
       # prepare query
       query <- glue::glue("
         SELECT * FROM {table_name}
@@ -1335,7 +1335,7 @@ server <- function(input, output, session) {
 
     action <- match.arg(action)
 
-    action_row <- tibble(
+    action_row <- dplyr::tibble(
       date        = Sys.time(),
       user        = values$current_user,
       app_id      = config::get("form_id"),