diff --git a/Cargo.lock b/Cargo.lock
index f2db642..707cc22 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2216,7 +2216,6 @@ dependencies = [
  "hex",
  "iced",
  "iced_core",
- "mimalloc",
  "rand",
  "reqwest",
  "rhai",
@@ -2392,15 +2391,6 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6d2cec3eae94f9f509c767b45932f1ada8350c4bdb85af2fcab4a3c14807981"
 
-[[package]]
-name = "libmimalloc-sys"
-version = "0.1.49"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a45a52f43e1c16f667ccfe4dd8c85b7f7c204fd5e3bf46c5b0db9a5c3c0b8e9"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "libredox"
 version = "0.1.12"
@@ -2546,15 +2536,6 @@ dependencies = [
  "paste",
 ]
 
-[[package]]
-name = "mimalloc"
-version = "0.1.52"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d4139bb28d14ad1facf21d5eb8825051b326e172d216b39f6d31df53cc97862"
-dependencies = [
- "libmimalloc-sys",
-]
-
 [[package]]
 name = "mime"
 version = "0.3.17"
diff --git a/Cargo.toml b/Cargo.toml
index 7cef5e2..75f8379 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ sha2 = "0.11.0"
 tokio = { version = "1.53.1", features = ["rt", "rt-multi-thread", "macros"] }
 hex = "0.4.3"
 zstd = "0.13.3"
-mimalloc = "0.1.52"
+#mimalloc = "0.1.52"
 
 [dev-dependencies]
 criterion = "0.8.2"
@@ -28,7 +28,8 @@ criterion = "0.8.2"
 name = "split_bench"  # Имя файла в benches/ без расширения
 harness = false       # Отключаем стандартный тестовый раннер
 
-#[profile.release]
-#codegen-units = 1
-#lto = true
-#opt-level = 3
\ No newline at end of file
+[profile.super-release]
+inherits = "release"
+codegen-units = 1
+lto = true
+opt-level = 3
diff --git a/src/data_provider/web_api.rs b/src/data_provider/web_api.rs
index 0b2f4c2..460a93c 100644
--- a/src/data_provider/web_api.rs
+++ b/src/data_provider/web_api.rs
@@ -1,11 +1,11 @@
+use crate::dictionary::app_data_dir;
 use std::io;
 use tokio::fs::{File, OpenOptions};
-use tokio::io::{AsyncReadExt, AsyncWriteExt, BufReader};
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use zstd::{Decoder, Encoder, DEFAULT_COMPRESSION_LEVEL};
-use crate::dictionary::app_data_dir;
 
-const API_URL: &str = "http://127.0.0.1:8089/";
-// const API_URL: &str = "https://learning.micialware.ru/";
+// const API_URL: &str = "http://127.0.0.1:8089/";
+const API_URL: &str = "https://learning.micialware.ru/";
 
 pub async fn send_data(id: String) {
     let path = app_data_dir();
diff --git a/src/main.rs b/src/main.rs
index c138550..f1a328c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,27 +16,26 @@ mod word;
 mod writing;
 mod repetition_settings;
 
-use std::collections::HashMap;
-use chrono::{ NaiveDate};
 use crate::data_provider::card_sets::load_sets;
 use crate::data_provider::settings::get_setting;
+use crate::data_provider::sqlite::default_connection;
 use crate::data_provider::words::{load_word_groups, load_words};
-use crate::dictionary::app_data_dir;
 use crate::lang::{WordData, WordGroup};
 use crate::navigation::{AppSettings, RootMessage, ScreenState};
 use crate::quiz::*;
 use crate::repetitions::CardSetSettings;
 use crate::RootMessage::Keyboard;
-use iced::{window, Font};
+use chrono::NaiveDate;
 use iced::{keyboard, Subscription, Theme};
-use iced_core::Size;
+use iced::{window, Font};
 use iced_core::window::Position;
+use iced_core::Size;
+// use mimalloc::MiMalloc;
 use rusqlite::Connection;
-use mimalloc::MiMalloc;
-use crate::data_provider::sqlite::default_connection;
+use std::collections::HashMap;
 
-#[global_allocator]
-static GLOBAL: MiMalloc = MiMalloc;
+// #[global_allocator]
+// static GLOBAL: MiMalloc = MiMalloc;
 const USER_FONT: Font = Font::with_name("Noto Sans JP");
 
 fn main() -> iced::Result {
diff --git a/src/sync.rs b/src/sync.rs
index bdaa1c9..ee92c97 100644
--- a/src/sync.rs
+++ b/src/sync.rs
@@ -144,8 +144,9 @@ impl SyncState {
             DisableSync => {
                 let mut state = self.state.lock().unwrap();
                 state.sync_data.key = None;
-
                 delete_settings("SYNC_KEY".to_string(), &state.connection);
+                delete_settings("AUTO_WEB_FETCH".to_string(), &state.connection);
+
             }
             SwitchAutoSync => {
                 self.auto_fetch = !self.auto_fetch;