diff --git a/blockworld-client/game/chunk.rs b/blockworld-client/game/chunk.rs
index 61f1468..16fd33b 100644
--- a/blockworld-client/game/chunk.rs
+++ b/blockworld-client/game/chunk.rs
@@ -93,18 +93,18 @@ impl Default for Chunk {
     // REMEMBER TO DELETE THOSE CODE
     fn default() -> Self {
         let mut blocks = Box::new([Block::default(); CHUNK_BLOCK_NUM]);
-        for x in (0..CHUNK_SIZE as i32) {
-            for y in (0..3) {
-                for z in (0..CHUNK_SIZE as i32) {
+        for x in 0..CHUNK_SIZE as i32 {
+            for y in 0..3 {
+                for z in 0..CHUNK_SIZE as i32 {
                     blocks[Chunk::index(x, y, z)] = match y {
                         _ => Block { id: 1 },
                     }
                 }
             }
         }
-        for x in (0..CHUNK_SIZE as i32) {
-            for y in (5..40) {
-                for z in (0..CHUNK_SIZE as i32) {
+        for x in 0..CHUNK_SIZE as i32 {
+            for y in 5..40 {
+                for z in 0..CHUNK_SIZE as i32 {
                     if (vec3(x as f32, y as f32, z as f32) - vec3(7.0, 15.0, 7.0)).length() <= 7.0 {
                         blocks[Chunk::index(x, y, z)] = match y {
                             _ => Block { id: 2 },
diff --git a/blockworld-client/game/console_instr.rs b/blockworld-client/game/console_instr.rs
index 728175c..18ca127 100644
--- a/blockworld-client/game/console_instr.rs
+++ b/blockworld-client/game/console_instr.rs
@@ -35,15 +35,15 @@ impl ConsoleInstr {
         let args_clean = &args_str[1..args_str.len() - 1];
         let args: Vec<String> = args_clean.split(',').map(|s| s.to_string()).collect();
 
-        /// dialogue_id is used to distinguish the corresponding relation of request & reponse
-        /// It can be None if you are sure that
+        // dialogue_id is used to distinguish the corresponding relation of request & reponse
+        // It can be None if you are sure that
         let dialogue_id: Option<u64> = if input.ends_with("]") {
             let rev_chs = input.chars().rev();
             // 这是个左闭右开区间
             let event_id_start_index = input.len() - 1;
             let event_id_end_index = rev_chs
                 .enumerate()
-                .find(|(index, ch)| *ch == '[')
+                .find(|(_, ch)| *ch == '[')
                 .with_context(|| format!("failed to parse event_id"))?
                 .0
                 + 1;
@@ -66,10 +66,10 @@ impl ConsoleInstr {
 macro_rules! match_command{
     ($(command $command_name:ident with_args ($($arg_n:ident:$arg_n_type:ident),*) debug $is_debug:ident)+  in $command_args:ident with_context $ctx:ident) => {
         match $command_args{
-            $(ConsoleInstr{command ,args ,dialogue_id} if &command == stringify!($command_name) =>{
+            $(ConsoleInstr{command ,args ,dialogue_id:_} if &command == stringify!($command_name) =>{
                 let mut count = 0;
                 match ($({count+=1;&args[count-1].parse::<$arg_n_type>()}),*){
-                    ($(std::result::Result::Ok($arg_n)),*) =>{
+                    $(std::result::Result::Ok($arg_n)),* =>{
                         $command_name($ctx, $($arg_n),*);
                         if $is_debug {
                             println!("successfullly run \x1B[32m {} \x1B[0m with args \x1B[32m{:?}\x1B[0m",command,args);
diff --git a/blockworld-client/game/player_state.rs b/blockworld-client/game/player_state.rs
index 33559f8..1a923d5 100644
--- a/blockworld-client/game/player_state.rs
+++ b/blockworld-client/game/player_state.rs
@@ -1,8 +1,6 @@
-use std::collections::HashSet;
+use winit::keyboard::{Key, NamedKey};
 
-use winit::keyboard::{Key, KeyCode, NamedKey};
-
-use crate::{io::input_helper::InputState, render::draw::State};
+use crate::io::input_helper::InputState;
 
 // Best not to pub here
 // I'd like to change it later
diff --git a/blockworld-client/game/register.rs b/blockworld-client/game/register.rs
index f0bca22..c4378d7 100644
--- a/blockworld-client/game/register.rs
+++ b/blockworld-client/game/register.rs
@@ -1,7 +1,6 @@
 use std::collections::HashMap;
 
 use anyhow::Error;
-use glam::{IVec2, Vec2};
 
 use block::{BlockID, BlockMeta};
 
diff --git a/blockworld-client/game/save.rs b/blockworld-client/game/save.rs
index 7859289..87fcfaa 100644
--- a/blockworld-client/game/save.rs
+++ b/blockworld-client/game/save.rs
@@ -1,13 +1,13 @@
 //! Save file(Map) manager
 
-use std::collections::{HashMap, HashSet};
+use std::collections::HashMap;
 
 use anyhow::*;
 use glam::{ivec2, IVec2, IVec3};
 
 use crate::game::chunk::CHUNK_SIZE;
 
-use super::{block::Block, chunk::Chunk};
+use super::chunk::Chunk;
 struct ChunkPool {
     chunks: HashMap<IVec2, Chunk>,
 }
@@ -20,9 +20,10 @@ impl ChunkPool {
     }
 
     pub fn load_chunk(x: i32, y: i32) -> Result<()> {
-        todo!()
+        let _ = x;
+        let _ = y;
+        todo!();
     }
-
     pub fn generate_chunk(&mut self, x: i32, z: i32) -> Result<()> {
         if self.chunks.contains_key(&ivec2(x, z)) {
             Err(anyhow::Error::msg("Chunk already generated"))
diff --git a/blockworld-client/io/atlas_helper.rs b/blockworld-client/io/atlas_helper.rs
index bd72d99..019cdda 100644
--- a/blockworld-client/io/atlas_helper.rs
+++ b/blockworld-client/io/atlas_helper.rs
@@ -9,8 +9,8 @@ pub struct AtlasCoordinate {
 
 impl AtlasCoordinate {
     pub fn new(aa: Vec2, bb: Vec2) -> Self {
-        aa.clamp(vec2(0., 0.), vec2(1., 1.));
-        bb.clamp(vec2(0., 0.), vec2(1., 1.));
+        let aa = aa.clamp(vec2(0., 0.), vec2(1., 1.));
+        let bb = bb.clamp(vec2(0., 0.), vec2(1., 1.));
         Self { aa, bb }
     }
 
diff --git a/blockworld-client/io/mod.rs b/blockworld-client/io/mod.rs
index 88dff76..77817cb 100644
--- a/blockworld-client/io/mod.rs
+++ b/blockworld-client/io/mod.rs
@@ -1,3 +1,2 @@
-pub mod assets_reader;
 pub mod atlas_helper;
 pub mod input_helper;
diff --git a/blockworld-client/main.rs b/blockworld-client/main.rs
index 1723022..87a28c8 100644
--- a/blockworld-client/main.rs
+++ b/blockworld-client/main.rs
@@ -1,3 +1,4 @@
+use anyhow::*;
 use clap::Parser;
 
 mod debug;
@@ -16,6 +17,7 @@ pub struct BootArgs {
     full_screen: bool,
 }
 
-fn main() {
-    pollster::block_on(render::window_init::run());
+fn main() -> Result<()> {
+    pollster::block_on(render::window_init::run())?;
+    Ok(())
 }
diff --git a/blockworld-client/render/render_block.rs b/blockworld-client/render/render_block.rs
index 7d5145e..d5bf5a4 100644
--- a/blockworld-client/render/render_block.rs
+++ b/blockworld-client/render/render_block.rs
@@ -1,4 +1,4 @@
-use glam::{vec3, Vec2, Vec3};
+use glam::*;
 
 use crate::io::atlas_helper::AtlasCoordinate;
 
@@ -114,7 +114,7 @@ pub fn push_face_mesh(
 ) {
     // Center coord
 
-    let mut c = coord;
+    let c = coord;
 
     let mut n = direction.get_four_vtx();
     n.iter_mut().for_each(|x| *x = *x + c);
diff --git a/blockworld-client/render/render_chunk.rs b/blockworld-client/render/render_chunk.rs
index cfdfaec..76db949 100644
--- a/blockworld-client/render/render_chunk.rs
+++ b/blockworld-client/render/render_chunk.rs
@@ -1,14 +1,10 @@
 use super::render_block::*;
-use glam::{vec2, vec3, IVec2};
-use log::info;
+use glam::*;
 use wgpu::{util::DeviceExt, Device};
 
-use crate::{
-    game::{block, chunk::*, register::RegisterTable},
-    io::atlas_helper::AtlasMeta,
-};
+use crate::game::{chunk::*, register::RegisterTable};
 
-use super::{draw::State, render_block::*, vertex::Vertex};
+use super::vertex::Vertex;
 
 #[derive(Debug)]
 pub struct RenderChunk {
@@ -19,9 +15,9 @@ pub struct RenderChunk {
 impl RenderChunk {
     pub fn new(device: &Device, chunk: &Chunk, register_table: &RegisterTable) -> Self {
         let mut vertices: Vec<Vertex> = Vec::new();
-        for x in (0..CHUNK_SIZE as i32) {
-            for y in (0..CHUNK_HEIGHT as i32) {
-                for z in (0..CHUNK_SIZE as i32) {
+        for x in 0..CHUNK_SIZE as i32 {
+            for y in 0..CHUNK_HEIGHT as i32 {
+                for z in 0..CHUNK_SIZE as i32 {
                     let (abs_x, abs_z) = (
                         (chunk.x_pos * CHUNK_SIZE as i32 + x as i32) as f32,
                         (chunk.z_pos * CHUNK_SIZE as i32 + z as i32) as f32,
diff --git a/blockworld-client/render/texture.rs b/blockworld-client/render/texture.rs
index 24b186f..9227775 100644
--- a/blockworld-client/render/texture.rs
+++ b/blockworld-client/render/texture.rs
@@ -1,11 +1,6 @@
-use std::collections::HashMap;
-
 use anyhow::*;
-use glam::*;
 use image::GenericImageView;
 
-use crate::game::block::BlockType;
-
 pub struct Texture {
     pub texture: wgpu::Texture,
     pub view: wgpu::TextureView,
diff --git a/blockworld-client/render/vertex.rs b/blockworld-client/render/vertex.rs
index 2c498e3..c065a72 100644
--- a/blockworld-client/render/vertex.rs
+++ b/blockworld-client/render/vertex.rs
@@ -1,5 +1,3 @@
-use glam::Vec3;
-
 #[repr(C)]
 #[derive(Copy, Clone, Debug, bytemuck::Zeroable, bytemuck::Pod)]
 pub struct Vertex {
diff --git a/blockworld-client/render/window_init.rs b/blockworld-client/render/window_init.rs
index 4be83c3..c804ef7 100644
--- a/blockworld-client/render/window_init.rs
+++ b/blockworld-client/render/window_init.rs
@@ -1,15 +1,13 @@
-use crate::render::draw::{self, State};
+use crate::render::draw::State;
 use crate::BootArgs;
 use anyhow::*;
-use anyhow::*;
 use clap::Parser;
-use log::{debug, info};
+use log::*;
 use winit::application::ApplicationHandler;
-use winit::dpi::PhysicalSize;
 use winit::event::{DeviceEvent, WindowEvent};
 use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
-use winit::keyboard::{KeyCode, PhysicalKey};
-use winit::window::{Window, WindowButtons, WindowId};
+use winit::keyboard::KeyCode;
+use winit::window::WindowId;
 
 impl<'a> ApplicationHandler for State<'a> {
     fn resumed(&mut self, event_loop: &ActiveEventLoop) {
@@ -50,7 +48,7 @@ impl<'a> ApplicationHandler for State<'a> {
             }
             WindowEvent::RedrawRequested => {
                 self.update();
-                self.render();
+                self.render().expect("Render Error!");
                 // self.try_exec_single_instr_from_console().inspect_err(
                 //     |e| {
                 //         error!("err when try_exec_single_instr_from_console {e:?}")