diff --git a/edc-web/app/__pycache__/models.cpython-311.pyc b/edc-web/app/__pycache__/models.cpython-311.pyc
index 0a26320..6346ae4 100644
Binary files a/edc-web/app/__pycache__/models.cpython-311.pyc and b/edc-web/app/__pycache__/models.cpython-311.pyc differ
diff --git a/edc-web/app/models.py b/edc-web/app/models.py
index f8663df..0bec9c8 100644
--- a/edc-web/app/models.py
+++ b/edc-web/app/models.py
@@ -211,15 +211,22 @@ def get_all_test_data_for_export(serial: str = "", date_from: str = "",
         conn.close()
 
 
-def get_automation_averages(dnt_id: int) -> dict:
-    """获取自动化测试的平均值（排除失败记录 state=3）"""
+def get_automation_averages(dnt_id: int, since: str = None) -> dict:
+    """获取本次自动化测试的平均值
+
+    since: ISO 时间字符串，只统计此时间之后的测试记录
+    速度从 dm/s 转换为 m/s（÷10）
+    """
     conn = get_conn()
     try:
         with conn.cursor() as cur:
-            # 只计算最近一批自动化测试的平均值
-            # 取该设备 tb_state_tst 中与 tb_serialnet state=2 对应的记录
+            where = "dnt_id=%s"
+            params = [dnt_id]
+            if since:
+                where += " AND create_time >= %s"
+                params.append(since)
             cur.execute(
-                "SELECT AVG(ppvalue) as avg_ppvalue, "
+                f"SELECT AVG(ppvalue) as avg_ppvalue, "
                 "AVG(idle_freq) as avg_idle_freq, "
                 "AVG(enter_freq) as avg_enter_freq, "
                 "AVG(exit_freq) as avg_exit_freq, "
@@ -227,14 +234,20 @@ def get_automation_averages(dnt_id: int) -> dict:
                 "AVG(exit_dist) as avg_exit_dist, "
                 "AVG(enter_speed) as avg_enter_speed, "
                 "AVG(exit_speed) as avg_exit_speed "
-                "FROM tb_state_tst WHERE dnt_id=%s",
-                (dnt_id,),
+                f"FROM tb_state_tst WHERE {where}",
+                params,
             )
             row = cur.fetchone()
     finally:
         conn.close()
     if row:
-        return {k: round(v, 2) if v else 0 for k, v in row.items()}
+        result = {k: round(v, 2) if v else 0 for k, v in row.items()}
+        # 速度 dm/s → m/s
+        if result.get("avg_enter_speed"):
+            result["avg_enter_speed"] = round(result["avg_enter_speed"] / 10, 2)
+        if result.get("avg_exit_speed"):
+            result["avg_exit_speed"] = round(result["avg_exit_speed"] / 10, 2)
+        return result
     return {}
 
 
diff --git a/edc-web/app/routes/__pycache__/test_op.cpython-311.pyc b/edc-web/app/routes/__pycache__/test_op.cpython-311.pyc
index 9d28dbe..2e8c208 100644
Binary files a/edc-web/app/routes/__pycache__/test_op.cpython-311.pyc and b/edc-web/app/routes/__pycache__/test_op.cpython-311.pyc differ
diff --git a/edc-web/app/routes/test_op.py b/edc-web/app/routes/test_op.py
index 9414821..09ebe68 100644
--- a/edc-web/app/routes/test_op.py
+++ b/edc-web/app/routes/test_op.py
@@ -112,9 +112,10 @@ def api_automation_start():
 @login_required
 def api_automation_progress(dnt_id):
     """获取自动化进度"""
+    since = request.args.get("since", "", type=str)
     stats = get_serialnet_stats(dnt_id)
     latest = get_latest_test_state(dnt_id)
-    averages = get_automation_averages(dnt_id)
+    averages = get_automation_averages(dnt_id, since if since else None)
     return jsonify({
         "stats": stats,
         "latest": latest,
diff --git a/edc-web/app/static/js/test_data.js b/edc-web/app/static/js/test_data.js
index 54bea94..20519bd 100644
--- a/edc-web/app/static/js/test_data.js
+++ b/edc-web/app/static/js/test_data.js
@@ -1,5 +1,10 @@
 // 测试信息页
 
+function toSpeed(v) {
+    if (v === null || v === undefined || v === '') return '-';
+    return (parseFloat(v) / 10).toFixed(1);
+}
+
 let currentPage = 1;
 let totalPages = 1;
 
@@ -47,8 +52,8 @@ function renderTable(records) {
             <td>${r.exit_freq || '-'}</td>
             <td>${r.enter_dist || '-'}</td>
             <td>${r.exit_dist || '-'}</td>
-            <td>${r.enter_speed || '-'}</td>
-            <td>${r.exit_speed || '-'}</td>
+            <td>${toSpeed(r.enter_speed)}</td>
+            <td>${toSpeed(r.exit_speed)}</td>
             <td>${r.create_time || '-'}</td>
         </tr>
     `).join("");
diff --git a/edc-web/app/static/js/test_op.js b/edc-web/app/static/js/test_op.js
index 6590701..ed94000 100644
--- a/edc-web/app/static/js/test_op.js
+++ b/edc-web/app/static/js/test_op.js
@@ -5,6 +5,7 @@ let autoTotal = 0;
 let autoDone = 0;
 let autoFailed = 0;
 let autoRemaining = 0;
+let autoStartTime = "";
 let pollInterval = null;
 let timeoutTimers = {};  // record_id → timer
 const TIMEOUT_MS = 10000;
@@ -47,6 +48,7 @@ async function startAuto() {
     autoDone = 0;
     autoFailed = 0;
     autoRemaining = count;
+    autoStartTime = new Date().toISOString();  // 记录开始时间
 
     // 清空显示
     resetAverages();
@@ -101,7 +103,7 @@ async function pollProgress() {
     if (!autoRunning) return;
 
     try {
-        const resp = await fetch(`/api/automation/${DNT_ID}/progress`);
+        const resp = await fetch(`/api/automation/${DNT_ID}/progress?since=${encodeURIComponent(autoStartTime)}`);
         const data = await resp.json();
         const stats = data.stats;
 
@@ -171,6 +173,11 @@ function updateUI() {
         `${autoDone}/${autoTotal} (${autoFailed} 失败)`;
 }
 
+function toSpeed(v) {
+    if (v === null || v === undefined || v === '') return '-';
+    return (parseFloat(v) / 10).toFixed(1);
+}
+
 // ─── 显示最新结果 ──────────────────────────────
 
 function renderLatest(data) {
@@ -183,8 +190,8 @@ function renderLatest(data) {
         <p>离开工作频率：${data.exit_freq || '-'} Hz</p>
         <p>进入距离：${data.enter_dist || '-'} mm</p>
         <p>离开距离：${data.exit_dist || '-'} mm</p>
-        <p>进入速度：${data.enter_speed || '-'} dm/s</p>
-        <p>离开速度：${data.exit_speed || '-'} dm/s</p>
+        <p>进入速度：${toSpeed(data.enter_speed)} m/s</p>
+        <p>离开速度：${toSpeed(data.exit_speed)} m/s</p>
         <p>是否完成：${data.iffinish === '1' ? '是' : '否'}</p>
         <p>故障信息：${data.fault_info || '无'}</p>
         <p>时间：${data.create_time || '-'}</p>
diff --git a/edc-web/app/templates/test_data.html b/edc-web/app/templates/test_data.html
index 9835174..f408745 100644
--- a/edc-web/app/templates/test_data.html
+++ b/edc-web/app/templates/test_data.html
@@ -36,8 +36,8 @@
             <th>离开频率(Hz)</th>
             <th>进入距离(mm)</th>
             <th>离开距离(mm)</th>
-            <th>进入速度(dm/s)</th>
-            <th>离开速度(dm/s)</th>
+            <th>进入速度(m/s)</th>
+            <th>离开速度(m/s)</th>
             <th>时间</th>
         </tr>
     </thead>
diff --git a/edc-web/app/templates/test_op.html b/edc-web/app/templates/test_op.html
index bf35d22..02c0db5 100644
--- a/edc-web/app/templates/test_op.html
+++ b/edc-web/app/templates/test_op.html
@@ -53,8 +53,8 @@
                 <tr><td>平均进入工作频率</td><td id="avg-enter-freq">-</td><td>Hz</td></tr>
                 <tr><td>平均进入距离</td><td id="avg-enter-dist">-</td><td>mm</td></tr>
                 <tr><td>平均离开距离</td><td id="avg-exit-dist">-</td><td>mm</td></tr>
-                <tr><td>平均进入速度</td><td id="avg-enter-speed">-</td><td>dm/s</td></tr>
-                <tr><td>平均离开速度</td><td id="avg-exit-speed">-</td><td>dm/s</td></tr>
+                <tr><td>平均进入速度</td><td id="avg-enter-speed">-</td><td>m/s</td></tr>
+                <tr><td>平均离开速度</td><td id="avg-exit-speed">-</td><td>m/s</td></tr>
             </table>
         </div>
     </div>