diff --git a/client/src/component/uploader.rs b/client/src/component/uploader.rs
index 6e4f807..cc098c7 100644
--- a/client/src/component/uploader.rs
+++ b/client/src/component/uploader.rs
@@ -1,11 +1,20 @@
+use serde_wasm_bindgen::from_value;
 use wasm_bindgen_futures::{spawn_local, JsFuture};
 use web_sys::{console, Event, HtmlInputElement};
 use wasm_bindgen::{closure::Closure, JsCast, JsValue};
-use yew::{ html, prelude::function_component, use_callback, use_context, use_state, Callback, Html, Properties};
+use yew::{ html, prelude::function_component, use_callback, use_context, use_memo, use_state, Callback, Html, Properties};
 use js_sys::{Promise, JSON::stringify_with_replacer_and_space};
+use serde_json::{Value};
+use serde::{Deserialize};
 
 use crate::constants::app::AppContext;
 
+#[derive(Deserialize, PartialEq, Clone)]
+pub struct Progress {
+    percent: Value,
+    total: Value
+}
+
 #[derive(Properties, PartialEq)]
 pub struct UploaderProps {
     pub on_upload_start: Callback<()>,
@@ -20,6 +29,15 @@ pub fn uploader(props: &UploaderProps) -> Html {
     // state
     let upload_result = use_state(|| None);
     let is_uploading = use_state(|| false);
+    let progress = use_state(|| 0f64);
+    let percentage = use_memo(progress.clone(), |progress| {
+        let progress = *progress.clone();
+        format!("{:.1}%", progress * 100.0f64)
+    });
+    let circle_style = use_memo(progress.clone(), |progress| {
+        let progress = *progress.clone();
+        format!("--percentage: {:.1};", progress * 100.0f64)
+    });
     // callbacks
     let upload_start = use_callback(
         (props.on_upload_start.clone(), is_uploading.clone()),
@@ -36,29 +54,53 @@ pub fn uploader(props: &UploaderProps) -> Html {
         }
     );
 
-    let on_upload = use_callback(upload_end.clone(), move |e: Event, upload_cb| {
-        upload_start.emit(());
-        let upload_cb = upload_cb.clone();
-        let result = cos_upload.call1(&JsValue::NULL, e.as_ref()).unwrap();
-        let promise = Promise::from(result);
-        let closure = Closure::once(Box::new(move |value: JsValue| {
-            console::log_1(&value);
-            upload_cb.emit(Some(value));
-        }) as Box<dyn FnMut(JsValue)>);
-        let promise = promise.then(&closure);
-        closure.forget();
-        let future = JsFuture::from(promise);
-        spawn_local(async {
-            match future.await {
-                Ok(_res) => {},
-                Err(err) => console::error_1(&err),
-            };
-        });
-    });
+    let on_upload = use_callback(
+        (upload_end.clone(), progress.clone()),
+        move |e: Event, (upload_cb, progress_state)| {
+            upload_start.emit(());
+
+            let progress_state = progress_state.clone();
+            let closure = Closure::wrap(Box::new(move |payload: JsValue| {
+                console::log_2(&JsValue::from_str("received"), &payload);
+                let payload_value: Progress = from_value(payload).unwrap();
+                let percent = payload_value.percent.as_f64().unwrap();
+                progress_state.set(percent)
+            }) as Box<dyn FnMut(JsValue)>);
 
+            // invoke upload
+            let result = cos_upload.call2(
+                &JsValue::NULL,
+                e.as_ref(),
+                closure.as_ref().unchecked_ref()
+            ).unwrap();
+
+            closure.forget();
+
+            // promise.then
+            let promise = Promise::from(result);
+            let upload_cb = upload_cb.clone();
+            let closure = Closure::once(Box::new(move |value: JsValue| {
+                console::log_1(&value);
+                upload_cb.emit(Some(value));
+            }) as Box<dyn FnMut(JsValue)>);
+            let promise = promise.then(&closure);
+            closure.forget();
+
+            // spawn promise future
+            let future = JsFuture::from(promise);
+            spawn_local(async {
+                match future.await {
+                    Ok(_res) => {},
+                    Err(err) => console::error_1(&err),
+                };
+            });
+        },
+    );
 
     html! {
-        <div>
+        <div class="upload-item">
+            
+            
             {if let Some(data) = upload_result.as_ref() {
                 let upload_text = stringify_with_replacer_and_space(&data, &JsValue::NULL, &JsValue::from_f64(4.0)).unwrap();
                 html! { <div>
@@ -66,7 +108,32 @@ pub fn uploader(props: &UploaderProps) -> Html {
                     <pre>{upload_text.as_string().unwrap_or_default()}</pre>
                 </div> }
             } else if *is_uploading {
-                html! { <div>{ "Uploading..." }</div> }
+                html! {
+                    <div class="progress">
+                        <svg
+                            class="progress-circle"
+                            xmlns="http://www.w3.org/2000/svg"
+                            version="1.1"
+                            viewBox="0 0 100 100"
+                            width="100px"
+                            height="100px"
+                        >
+                            <circle
+                                cx="50"
+                                cy="50"
+                                r="45"
+                                stroke-linecap="round"
+                                stroke="#9733EE"
+                                style={<std::string::String as Clone>::clone(&*circle_style.clone())}
+                            />
+                        </svg>
+                        <div class="outer">
+                            <div class="inner">
+                                <div class="num"> {{ percentage }} </div>
+                            </div>
+                        </div>
+                    </div>
+                }
             } else {
                 html! {
                     <input type="file" onchange={move |e: Event| {
diff --git a/client/src/css/index.styl b/client/src/css/index.styl
index 1e10f1e..0db8d33 100644
--- a/client/src/css/index.styl
+++ b/client/src/css/index.styl
@@ -1,3 +1,4 @@
+
 nav
   a
     margin: 20px
@@ -32,3 +33,52 @@ body
   .time
   .size
     font-variant: all-small-caps
+
+.upload-item
+  margin: 10px 0
+  padding: 10px
+  border-width: thin
+  border-style: dashed
+  border-color: var(--grey-2_5, rgba(20,30,41,0.12))
+  .progress
+    --circle-radius: 50px
+    --circle-border: 10px
+    position: relative
+    .outer
+      width: calc(2 * var(--circle-radius))
+      height: calc(2 * var(--circle-radius))
+      padding: var(--circle-border)
+      box-shadow: 6px 6px 10px -1px rgba(#000, 0.15),
+                  -6px -6px 10px -1px rgba(#fff, 0.7)
+      border-radius: 50%
+      box-sizing: border-box
+    .inner
+      height: 100%
+      display: flex
+      align-items: center
+      justify-content: center
+      border-radius: 50%
+      box-shadow: inset 4px 4px 6px -1px rgba(#000, 0.2),
+                  inset -4px -4px 6px -1px rgba(#fff, 0.7),
+                  -0.5px -0.5px 0 rgba(#fff, 1),
+                  0.5px 0.5px 0 rgba(#000, 0.15),
+                  0 12px 10px -10px rgba(#000, 0.05)
+    .num
+      font-family: 'Courier New', Courier, monospace
+      color: #555
+      font-size: 18px
+
+  .progress-circle
+    position: absolute
+    top: 0
+    left: 0
+    circle
+      --circle: 283
+      --percentage: 0
+      fill: none
+      transform: rotate(-90deg)
+      transform-origin: center
+      stroke-width: 10px
+      stroke-dasharray: var(--circle)
+      stroke-dashoffset: calc(var(--circle) * (100 - var(--percentage)) / 100)
+      transition: all 0.5s ease-in-out
diff --git a/client/src/index.js b/client/src/index.js
index ee9eac0..73821cf 100644
--- a/client/src/index.js
+++ b/client/src/index.js
@@ -25,7 +25,7 @@ const cos = new COS({
   }
 });
 
-function handleFileChange(e) {
+function handleFileChange(e, progressCb) {
   const file = e.target.files[0];
   if (!file) {
     return Promise.reject('no file');
@@ -40,6 +40,9 @@ function handleFileChange(e) {
         Body: file,
         onProgress: function(progressData) {
           console.log('percentage', JSON.stringify(progressData));
+          if (progressCb) {
+            progressCb(progressData)
+          }
         }
       },
       function(err, data) {