diff --git a/Cargo.lock b/Cargo.lock
index 76a02a92..8c4db055 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4724,9 +4724,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.36.0"
+version = "1.37.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61285f6515fa018fb2d1e46eb21223fff441ee8db5d0f1435e8ab4f5cdb80931"
+checksum = "1adbebffeca75fcfd058afa480fb6c0b81e165a0323f9c9d39c9697e37c46787"
 dependencies = [
  "backtrace",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index 20bbbbec..96437478 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -61,7 +61,7 @@ rust-embed = { version = "8.3.0", features = [
 serde = { version = "1.0.197", features = ["derive"] }
 serde_json = "1.0.115"
 time = { version = "0.3.34", features = ["local-offset"] }
-tokio = { version = "1.36.0", features = ["full"] }
+tokio = { version = "1.37.0", features = ["full"] }
 toml = "0.8.12"
 tower-http = { version = "0.5.2", features = [
     "timeout",
diff --git a/crates/kernel/src/prom/mod.rs b/crates/kernel/src/prom/mod.rs
index 73a01f27..5da430f3 100644
--- a/crates/kernel/src/prom/mod.rs
+++ b/crates/kernel/src/prom/mod.rs
@@ -65,6 +65,32 @@ pub struct QueryResponseDataItem {
     pub values: Vec<(i64, String)>,
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct LineSeries {
+    pub total: i64,
+    pub values: Vec<(i64, i64)>,
+}
+
+impl LineSeries {
+    pub fn from(res: &QueryResponse, sequence: Vec<i64>) -> Self {
+        let mut times_data = HashMap::<i64, i64>::new();
+        for item in res.data.result.iter() {
+            for (t, v) in &item.values {
+                let value = v.parse::<f64>().unwrap_or(0.0) as i64;
+                times_data.insert(*t, value);
+            }
+        }
+        let mut values = vec![];
+        let mut total: i64 = 0;
+        for t in sequence.iter() {
+            let value = times_data.get(t).unwrap_or(&0);
+            values.push((*t * 1000, *value)); // js use milliseconds, t*1000
+            total += *value;
+        }
+        LineSeries { total, values }
+    }
+}
+
 /// query_range queries range from Prometheus
 pub async fn query_range(params: QueryRangeParams) -> Result<QueryResponse> {
     let prom_env = PROM_ENV
diff --git a/crates/worker-server/src/middleware.rs b/crates/worker-server/src/middleware.rs
index 05402326..a9109183 100644
--- a/crates/worker-server/src/middleware.rs
+++ b/crates/worker-server/src/middleware.rs
@@ -1,6 +1,5 @@
-use crate::METRICS_ENABLED;
-
 use super::{DEFAULT_WASM, ENDPOINT_NAME};
+use crate::METRICS_ENABLED;
 use axum::extract::Request;
 use axum::http::StatusCode;
 use axum::middleware::Next;
@@ -64,12 +63,23 @@ pub async fn middleware(mut request: Request, next: Next) -> Result<Response, St
             ("project_id", project_id.clone()),
             ("endpoint", endpoint.clone()),
         ];
+        let mut all_req_labels = labels.clone();
+        all_req_labels.push(("status", "all".to_string()));
+        let mut notfound_labels = labels.clone();
+        notfound_labels.push(("status", "notfound".to_string()));
+        let mut error_req_labels = labels.clone();
+        error_req_labels.push(("status", "error".to_string()));
+        let mut flow_in_labels = labels.clone();
+        flow_in_labels.push(("flowtype", "in".to_string()));
+        let mut flow_out_labels = labels.clone();
+        flow_out_labels.push(("flowtype", "out".to_string()));
+
         (
-            counter!("req_fn_total", &labels),
-            counter!("req_fn_notfound_total", &labels),
-            counter!("req_fn_error_total", &labels),
-            counter!("req_fn_in_bytes_total", &labels),
-            counter!("req_fn_out_bytes_total", &labels),
+            counter!("req_fn_total", &all_req_labels),
+            counter!("req_fn_total", &notfound_labels),
+            counter!("req_fn_total", &error_req_labels),
+            counter!("req_fn_bytes_total", &flow_in_labels),
+            counter!("req_fn_bytes_total", &flow_out_labels),
         )
     } else {
         (
diff --git a/land-server/src/server/dash/traffic.rs b/land-server/src/server/dash/traffic.rs
index 2d3d0f23..529792e9 100644
--- a/land-server/src/server/dash/traffic.rs
+++ b/land-server/src/server/dash/traffic.rs
@@ -2,7 +2,7 @@ use super::auth::SessionUser;
 use crate::server::ServerError;
 use axum::{extract::Query, response::IntoResponse, Extension, Json};
 use serde::{Deserialize, Serialize};
-use tracing::debug;
+use tracing::{debug, info};
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct RequestsQuery {
@@ -11,18 +11,41 @@ pub struct RequestsQuery {
     pub period: Option<String>, //only for daily or weekly
 }
 
+#[derive(Debug)]
+struct PeriodParams {
+    start: i64,
+    end: i64,
+    step: i64,
+    step_word: String,
+    sequence: Vec<i64>, // unix timestamp from start to end with step
+}
+
 impl RequestsQuery {
-    pub fn get_period(&self) -> (i64, i64, i64, String) {
+    fn get_period(&self) -> PeriodParams {
         if let Some(p) = self.period.as_ref() {
             if p.eq("weekly") {
                 let end = chrono::Utc::now().timestamp() / 3600 * 3600;
                 let start = end - 604800; // 86400 * 7
-                return (start, end, 3600, "1h".to_string());
+                let sequence = (0..169).map(|i| start + i * 3600).collect();
+                return PeriodParams {
+                    start,
+                    end,
+                    step: 3600,
+                    step_word: "1h".to_string(),
+                    sequence,
+                };
             }
         }
         let end = chrono::Utc::now().timestamp() / 600 * 600;
-        let start = end - 86400;
-        (start, end, 600, "10m".to_string())
+        let start = end - 86400; // oneday 1440/10+1
+        let sequence = (0..145).map(|i| start + i * 600).collect();
+        PeriodParams {
+            start,
+            end,
+            step: 600,
+            step_word: "10m".to_string(),
+            sequence,
+        }
     }
 }
 
@@ -33,12 +56,19 @@ pub async fn flows(
     Ok("flows".to_string())
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct RequestsValues {
+    pub total: i64,
+    pub time_series: Vec<i64>,
+    pub values: Vec<i64>,
+}
+
 /// requests is a handler for GET /traffic/requests
 pub async fn requests(
     Extension(user): Extension<SessionUser>,
     Query(q): Query<RequestsQuery>,
 ) -> Result<impl IntoResponse, ServerError> {
-    let (start, end, step, step_word) = q.get_period();
+    let period = q.get_period();
     let acc = q.account.unwrap_or_default();
     if acc != user.id.to_string() {
         return Err(ServerError::forbidden("user id does not match"));
@@ -46,25 +76,36 @@ pub async fn requests(
     let query = if let Some(pid) = q.project {
         format!(
             "increase(req_fn_total{{project_id=\"{}\"}}[{}])",
-            pid, step_word
+            pid, period.step_word
         )
     } else {
         format!(
             "sum(increase(req_fn_total{{user_id=\"{}\"}}[{}]))",
-            acc, step_word
+            acc, period.step_word
         )
     };
+    let now = tokio::time::Instant::now();
     // end time is now ts with latest 10 decade
     debug!(
         "query: {}, start:{}, end:{}, step:{}",
-        query, start, end, step
+        query, period.start, period.end, period.step
     );
     let params = land_kernel::prom::QueryRangeParams {
-        query,
-        step,
-        start,
-        end,
+        query: query.clone(),
+        step: period.step,
+        start: period.start,
+        end: period.end,
     };
     let res = land_kernel::prom::query_range(params).await?;
-    Ok(Json(res).into_response())
+    let values = land_kernel::prom::LineSeries::from(&res, period.sequence);
+    info!(
+        "query: {}, start:{}, end:{}, step:{}, values:{}, cost:{}",
+        query,
+        period.start,
+        period.end,
+        period.step,
+        values.values.len(),
+        now.elapsed().as_millis(),
+    );
+    Ok(Json(values))
 }
diff --git a/land-server/tpls/overview.hbs b/land-server/tpls/overview.hbs
index 6a539720..8a729be5 100644
--- a/land-server/tpls/overview.hbs
+++ b/land-server/tpls/overview.hbs
@@ -66,12 +66,7 @@
             </div>
         </div>
     </div>
-    <div class="container project-container py-4" id="traffic">
-        <div>
-            <h6 class="mb-0">Global Traffic</h6>
-            <p class="fs-6 text-body-tertiary mb-0">Aggregated all projects traffic in recently.</p>
-        </div>
-    </div>
+    {{> partials/traffic.hbs}}
     {{> partials/footer.hbs}}
 </body>
 
diff --git a/land-server/tpls/partials/traffic.hbs b/land-server/tpls/partials/traffic.hbs
new file mode 100644
index 00000000..705c8a73
--- /dev/null
+++ b/land-server/tpls/partials/traffic.hbs
@@ -0,0 +1,24 @@
+<div class="container project-container py-4" id="traffic" data-x-account="{{user.id}}">
+    <div>
+        <h6 class="mb-0">Global Traffic</h6>
+        <p class="fs-6 text-body-tertiary mb-0">Aggregated all projects traffic in recently.</p>
+    </div>
+    <div class="row g-4 py-4">
+        <div class="col-6">
+            <div class="border rounded p-4">
+                <div>
+                    <p class="text-body-tertiary text-uppercase mb-2">Request counts</p>
+                    <p class="fw-bold mb-1" id="requests-total"></p>
+                    <div id="requests-loading-spinner" class="spinner-grow spinner-grow-sm" role="status">
+                        <span class="visually-hidden">Loading...</span>
+                    </div>
+                </div>
+                <div id="requests-chart" style="height: 200px;"></div>
+            </div>
+        </div>
+        <div class="col-6">222</div>
+    </div>
+</div>
+<script src="https://cdn.jsdelivr.net/npm/echarts@5.5.0/dist/echarts.min.js"
+    integrity="sha256-QvgynZibb2U53SsVu98NggJXYqwRL7tg3FeyfXvPOUY=" crossorigin="anonymous"></script>
+<script src="/static/js/traffic.js"></script>
\ No newline at end of file
diff --git a/land-server/tpls/static/js/traffic.js b/land-server/tpls/static/js/traffic.js
new file mode 100644
index 00000000..01303f85
--- /dev/null
+++ b/land-server/tpls/static/js/traffic.js
@@ -0,0 +1,96 @@
+
+(async () => {
+    let d = document.getElementById("requests-loading-spinner");
+    let acc = document.getElementById("traffic").getAttribute("data-x-account");
+    let resp = await fetch("/traffic/requests?account=" + acc)
+    if (!resp.ok) {
+        // TODO: show error message
+        return
+    }
+    // hide loading spinner
+    d.classList.add("d-none");
+    let series = await resp.json();
+    document.getElementById("requests-total").innerText = friendly_bytesize(series.total, false);
+    let chart = echarts.init(document.getElementById('requests-chart'));
+    let option = {
+        title: {
+            show: false,
+        },
+        tooltip: {
+            trigger: "axis",
+            formatter: function (params) {
+                let t = params[0].axisValueLabel;
+                let v = params[0].value[1];
+                return `<span>${t}<br/><span style="color:#AC3B2A">REQUESTS</span> <strong>${v}</strong></span>`
+            }
+        },
+        xAxis: {
+            type: 'time',
+            axisLabel: {
+                formatter: function (value, index) {
+                    return unix2hour(value) // js use milliseconds
+                },
+                color: "#AAA",
+            },
+            splitNumber: 3,
+        },
+        yAxis: {
+            show: false
+        },
+        grid: {
+            top: 0,
+            left: 0,
+            right: 0,
+            bottom: 20,
+        },
+        series: [
+            {
+                type: 'line',
+                data: series.values || [],
+                smooth: true,
+                symbol: "none",
+                lineStyle: {
+                    normal: {
+                        color: "#AC3B2A",
+                        width: 2,
+                    }
+                },
+                areaStyle: {
+                    color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
+                        {
+                            offset: 0,
+                            color: '#AC3B2A'
+                        },
+                        {
+                            offset: 1,
+                            color: '#FFF'
+                        }
+                    ])
+                },
+            }
+        ]
+    };
+    chart.setOption(option);
+})()
+
+/// convert unixtimestamp to hour and minute, HH:MM
+function unix2hour(v) {
+    const dateObj = new Date(v)
+    const hours = dateObj.getHours() >= 10 ? dateObj.getHours() : '0' + dateObj.getHours()
+    const minutes = dateObj.getMinutes() < 10 ? dateObj.getMinutes() + '0' : dateObj.getMinutes()
+    const UnixTimeToDate = hours + ':' + minutes
+    return UnixTimeToDate
+}
+
+function friendly_bytesize(v, is_bytes) {
+    let bytes_units = ['iB', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
+    let units = ['', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
+    let i = 0;
+    while (v > 1000) {
+        v /= 1000;
+        i++;
+    }
+    v = v.toFixed(2);
+    let u = is_bytes ? bytes_units[i] : units[i];
+    return `${v}${u}`
+}
\ No newline at end of file