diff --git a/demo/src/pages/nav_bar/mod.rs b/demo/src/pages/nav_bar/mod.rs
index 9d159885..79709a72 100644
--- a/demo/src/pages/nav_bar/mod.rs
+++ b/demo/src/pages/nav_bar/mod.rs
@@ -4,7 +4,6 @@ use leptos::*;
 use thaw::mobile::{NavBar, NavBarRight};
 use thaw::Icon;
 
-
 #[component]
 pub fn NavBarPage() -> impl IntoView {
     view! {
diff --git a/demo_markdown/docs/drawer/mod.md b/demo_markdown/docs/drawer/mod.md
index 234fd4e9..01d2c34b 100644
--- a/demo_markdown/docs/drawer/mod.md
+++ b/demo_markdown/docs/drawer/mod.md
@@ -13,10 +13,10 @@ let open = Callback::new(move |new_placement: DrawerPlacement| {
 
 view! {
     <ButtonGroup>
-        <Button on_click=Callback::new(move |_| open.call(DrawerPlacement::Top))>"Top"</Button>
-        <Button on_click=Callback::new(move |_| open.call(DrawerPlacement::Right))>"Right"</Button>
-        <Button on_click=Callback::new(move |_| open.call(DrawerPlacement::Bottom))>"Bottom"</Button>
-        <Button on_click=Callback::new(move |_| open.call(DrawerPlacement::Left))>"Left"</Button>
+        <Button on_click=Callback::new(move |_| leptos::Callable::call(&open, DrawerPlacement::Top))>"Top"</Button>
+        <Button on_click=Callback::new(move |_| leptos::Callable::call(&open, DrawerPlacement::Right))>"Right"</Button>
+        <Button on_click=Callback::new(move |_| leptos::Callable::call(&open, DrawerPlacement::Bottom))>"Bottom"</Button>
+        <Button on_click=Callback::new(move |_| leptos::Callable::call(&open, DrawerPlacement::Left))>"Left"</Button>
     </ButtonGroup>
     <Drawer title="Title" show placement>
         "Hello"
diff --git a/demo_markdown/src/lib.rs b/demo_markdown/src/lib.rs
index 30e7bd72..e5322c7e 100644
--- a/demo_markdown/src/lib.rs
+++ b/demo_markdown/src/lib.rs
@@ -96,7 +96,7 @@ pub fn include_md(_token_stream: proc_macro::TokenStream) -> proc_macro::TokenSt
                 links
             );
             syn::parse_str::<ItemFn>(&toc)
-                .expect(&format!("Cannot be resolved as a function: \n {toc}"))
+                .unwrap_or_else(|_| panic!("Cannot be resolved as a function: \n {toc}"))
         };
 
         let demos: Vec<ItemFn> = demos
diff --git a/demo_markdown/src/markdown/code_block.rs b/demo_markdown/src/markdown/code_block.rs
index 92afdab7..6f3db637 100644
--- a/demo_markdown/src/markdown/code_block.rs
+++ b/demo_markdown/src/markdown/code_block.rs
@@ -18,8 +18,7 @@ pub fn to_tokens(code_block: &NodeCodeBlock, demos: &mut Vec<String>) -> TokenSt
         let literal = langs
             .iter()
             .find(|lang| lang != &&"demo")
-            .map(|lang| highlight_to_html(&code_block.literal, lang))
-            .flatten()
+            .and_then(|lang| highlight_to_html(&code_block.literal, lang))
             .unwrap_or_else(|| {
                 is_highlight = false;
                 code_block.literal.clone()
@@ -37,8 +36,7 @@ pub fn to_tokens(code_block: &NodeCodeBlock, demos: &mut Vec<String>) -> TokenSt
         let mut is_highlight = true;
         let literal = langs
             .first()
-            .map(|lang| highlight_to_html(&code_block.literal, lang))
-            .flatten()
+            .and_then(|lang| highlight_to_html(&code_block.literal, lang))
             .unwrap_or_else(|| {
                 is_highlight = false;
                 code_block.literal.clone()
@@ -56,10 +54,8 @@ pub fn to_tokens(code_block: &NodeCodeBlock, demos: &mut Vec<String>) -> TokenSt
 static SYNTAX_SET: OnceLock<SyntaxSet> = OnceLock::new();
 
 fn highlight_to_html(text: &str, syntax: &str) -> Option<String> {
-    let syntax_set = SYNTAX_SET.get_or_init(|| SyntaxSet::load_defaults_newlines());
-    let Some(syntax) = syntax_set.find_syntax_by_token(syntax) else {
-        return None;
-    };
+    let syntax_set = SYNTAX_SET.get_or_init(SyntaxSet::load_defaults_newlines);
+    let syntax = syntax_set.find_syntax_by_token(syntax)?;
 
     let mut html_generator = ClassedHTMLGenerator::new_with_class_style(
         syntax,
diff --git a/demo_markdown/src/markdown/mod.rs b/demo_markdown/src/markdown/mod.rs
index 95f8d0da..30febb63 100644
--- a/demo_markdown/src/markdown/mod.rs
+++ b/demo_markdown/src/markdown/mod.rs
@@ -8,7 +8,10 @@ use proc_macro2::{Ident, Span, TokenStream};
 use quote::quote;
 use syn::ItemMacro;
 
-pub fn parse_markdown(md_text: &str) -> Result<(TokenStream, Vec<String>, Vec<(String, String)>), String> {
+#[allow(clippy::type_complexity)]
+pub fn parse_markdown(
+    md_text: &str,
+) -> Result<(TokenStream, Vec<String>, Vec<(String, String)>), String> {
     let mut demos: Vec<String> = vec![];
     let mut toc: Vec<(String, String)> = vec![];
 
@@ -16,7 +19,7 @@ pub fn parse_markdown(md_text: &str) -> Result<(TokenStream, Vec<String>, Vec<(S
     let mut options = comrak::Options::default();
     options.extension.table = true;
 
-    let root = parse_document(&arena, &md_text, &options);
+    let root = parse_document(&arena, md_text, &options);
     let body = iter_nodes(md_text, root, &mut demos, &mut toc);
     Ok((body, demos, toc))
 }
@@ -45,10 +48,12 @@ fn iter_nodes<'a>(
         NodeValue::HtmlBlock(node_html_block) => {
             let html =
                 syn::parse_str::<ItemMacro>(&format!("view! {{ {} }}", node_html_block.literal))
-                    .expect(&format!(
-                        "Cannot be resolved as a macro: \n {}",
-                        node_html_block.literal
-                    ));
+                    .unwrap_or_else(|_| {
+                        panic!(
+                            "Cannot be resolved as a macro: \n {}",
+                            node_html_block.literal
+                        )
+                    });
             quote!(
                 {
                     #html
@@ -62,10 +67,10 @@ fn iter_nodes<'a>(
         ),
         NodeValue::Heading(node_h) => {
             let sourcepos = node.data.borrow().sourcepos;
-            let text = range_text(md_text, sourcepos.start.clone(), sourcepos.end.clone());
+            let text = range_text(md_text, sourcepos.start, sourcepos.end);
             let level = node_h.level as usize + 1;
             let text = text[level..].to_string();
-            let h_id = format!("{}", text.replace(' ', "-").to_ascii_lowercase());
+            let h_id = text.replace(' ', "-").to_ascii_lowercase().to_string();
             toc.push((h_id.clone(), text));
             let h = Ident::new(&format!("h{}", node_h.level), Span::call_site());
             quote!(
@@ -186,7 +191,7 @@ fn range_text(text: &str, start: LineColumn, end: LineColumn) -> &str {
     let mut current_line_num = start_line + 1;
     while current_line_num < end_line {
         let next_line = lines.next().unwrap_or("");
-        start_line_text = &next_line;
+        start_line_text = next_line;
         current_line_num += 1;
     }
 
diff --git a/thaw/src/back_top/mod.rs b/thaw/src/back_top/mod.rs
index 639b8800..e2e22c6b 100644
--- a/thaw/src/back_top/mod.rs
+++ b/thaw/src/back_top/mod.rs
@@ -6,7 +6,8 @@ use crate::{use_theme, Icon, Theme};
 use leptos::{html::ToHtmlElement, *};
 use thaw_components::{CSSTransition, Fallback, OptionComp, Teleport};
 use thaw_utils::{
-    add_event_listener, class_list, get_scroll_parent, mount_style, EventListenerHandle, OptionalProp,
+    add_event_listener, class_list, get_scroll_parent, mount_style, EventListenerHandle,
+    OptionalProp,
 };
 
 #[component]
diff --git a/thaw/src/back_top/theme.rs b/thaw/src/back_top/theme.rs
index 10cec496..d8e7ebb7 100644
--- a/thaw/src/back_top/theme.rs
+++ b/thaw/src/back_top/theme.rs
@@ -3,7 +3,6 @@ use crate::theme::ThemeMethod;
 #[derive(Clone)]
 pub struct BackTopTheme {
     pub background_color: String,
-    
 }
 
 impl ThemeMethod for BackTopTheme {
diff --git a/thaw_utils/src/class_list.rs b/thaw_utils/src/class_list.rs
index 567beacc..8ed7894d 100644
--- a/thaw_utils/src/class_list.rs
+++ b/thaw_utils/src/class_list.rs
@@ -5,6 +5,12 @@ use std::{collections::HashSet, rc::Rc};
 
 pub struct ClassList(RwSignal<HashSet<Oco<'static, str>>>);
 
+impl Default for ClassList {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl ClassList {
     pub fn new() -> Self {
         Self(RwSignal::new(HashSet::new()))
diff --git a/thaw_utils/src/dom/get_scroll_parent.rs b/thaw_utils/src/dom/get_scroll_parent.rs
index 29dd9d61..16dfc9ed 100644
--- a/thaw_utils/src/dom/get_scroll_parent.rs
+++ b/thaw_utils/src/dom/get_scroll_parent.rs
@@ -4,9 +4,7 @@ use leptos::{
 };
 
 pub fn get_scroll_parent(element: &HtmlElement<AnyElement>) -> Option<HtmlElement<AnyElement>> {
-    let Some(parent_element) = get_parent_element(element) else {
-        return None;
-    };
+    let parent_element = get_parent_element(element)?;
 
     if parent_element.node_type() == 9 {
         return Some(parent_element);
diff --git a/thaw_utils/src/hooks/use_click_position.rs b/thaw_utils/src/hooks/use_click_position.rs
index 49df5977..d2aeec2e 100644
--- a/thaw_utils/src/hooks/use_click_position.rs
+++ b/thaw_utils/src/hooks/use_click_position.rs
@@ -12,9 +12,7 @@ pub fn use_click_position() -> ReadSignal<Option<(i32, i32)>> {
             if event.client_x() > 0 || event.client_y() > 0 {
                 return Some((event.client_x(), event.client_y()));
             }
-            let Some(target) = event.target() else {
-                return None;
-            };
+            let target = event.target()?;
 
             let Ok(target) = target.dyn_into::<web_sys::Element>() else {
                 return None;
diff --git a/thaw_utils/src/hooks/use_lock_html_scroll.rs b/thaw_utils/src/hooks/use_lock_html_scroll.rs
index 091178c6..7a9daf20 100644
--- a/thaw_utils/src/hooks/use_lock_html_scroll.rs
+++ b/thaw_utils/src/hooks/use_lock_html_scroll.rs
@@ -20,7 +20,7 @@ pub fn use_lock_html_scroll(is_lock: MaybeSignal<bool>) {
                 let style = document()
                     .create_element("style")
                     .expect("create style element error");
-                _ = style.set_attribute("data-id", &format!("thaw-lock-html-scroll"));
+                _ = style.set_attribute("data-id", "thaw-lock-html-scroll");
                 style.set_text_content(Some("html { overflow: hidden; }"));
                 _ = head.append_child(&style);
                 style_el.set_value(Some(style));
diff --git a/thaw_utils/src/hooks/use_next_frame.rs b/thaw_utils/src/hooks/use_next_frame.rs
index 7b1a60b4..efa4673d 100644
--- a/thaw_utils/src/hooks/use_next_frame.rs
+++ b/thaw_utils/src/hooks/use_next_frame.rs
@@ -22,7 +22,7 @@ impl NextFrame {
     pub fn run(&self, cb: impl FnOnce() + 'static) {
         self.cancel();
 
-        let next_frame_hadnle = self.0.clone();
+        let next_frame_hadnle = self.0;
         let handle = request_animation_frame_with_handle(move || {
             let handle = request_animation_frame_with_handle(cb).unwrap();
             next_frame_hadnle.set_value(Some(handle));
diff --git a/thaw_utils/src/throttle.rs b/thaw_utils/src/throttle.rs
index 0c970ae7..ebcb7b7e 100644
--- a/thaw_utils/src/throttle.rs
+++ b/thaw_utils/src/throttle.rs
@@ -1,7 +1,7 @@
 use leptos::{leptos_dom::helpers::TimeoutHandle, *};
 use std::time::Duration;
 
-pub fn throttle(cb: impl Fn() + 'static, duration: Duration) -> impl Fn() -> () {
+pub fn throttle(cb: impl Fn() + 'static, duration: Duration) -> impl Fn() {
     let cb = Callback::new(move |_| cb());
     let timeout_handle = StoredValue::new(None::<TimeoutHandle>);
     on_cleanup(move || {