diff --git a/edc-web/app/static/js/test_data.js b/edc-web/app/static/js/test_data.js
index bdcbefe..eb88102 100644
--- a/edc-web/app/static/js/test_data.js
+++ b/edc-web/app/static/js/test_data.js
@@ -14,7 +14,7 @@ const VIEWS = {
             { key: 'test_mode',     title: '测试模式',   render: r => r.test_mode === 1 ? '波动' : '灵敏度' },
             { key: 'iffinish',      title: '完成',       render: r => r.data_source === 'B4' ? '-' : (r.iffinish === '1' ? '是' : '否') },
             { key: 'fault_info',    title: '故障信息',   render: r => r.data_source === 'B4' ? '-' : `<span style="display:inline-block;max-width:12em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;" title="${escHtml(r.fault_info || '')}">${escHtml(r.fault_info || '-')}</span>` },
-            { key: 'relay_out',     title: '继电器',    render: r => decodeRelay(r.relay_code) },
+            { key: 'relay_out',     title: '继电器'    },
             { key: 'ppvalue',       title: '峰峰值(V)',  render: r => r.data_source === 'B4' ? '-' : (r.ppvalue != null ? r.ppvalue.toFixed(2) : '-') },
             { key: 'idle_freq',     title: '开始频率(Hz)',   render: r => r.data_source === 'B4' ? '-' : (r.idle_freq || '-') },
             { key: 'enter_freq',    title: '进入频率(Hz)',   render: r => r.data_source === 'B4' ? '-' : (r.enter_freq || '-') },
@@ -49,7 +49,7 @@ const VIEWS = {
             { key: 'test_mode',     title: '测试模式',   render: r => r.test_mode === 1 ? '波动' : '灵敏度' },
             { key: 'iffinish',      title: '完成',       render: r => r.iffinish === '1' ? '是' : '否' },
             { key: 'fault_info',    title: '故障信息',   render: r => `<span style="display:inline-block;max-width:12em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;" title="${escHtml(r.fault_info || '')}">${escHtml(r.fault_info || '-')}</span>` },
-            { key: 'relay_out',     title: '继电器',    render: r => decodeRelay(r.relay_code) },
+            { key: 'relay_out',     title: '继电器'    },
             { key: 'ppvalue',       title: '峰峰值(V)',  render: r => r.ppvalue?.toFixed(2) || '-' },
             { key: 'idle_freq',     title: '开始频率(Hz)' },
             { key: 'enter_freq',    title: '进入频率(Hz)' },
@@ -76,7 +76,7 @@ const VIEWS = {
             { key: 'far_dist',      title: '最远距离(mm)' },
             { key: 'b4_enter_dist', title: '触发距离(mm)' },
             { key: 'b4_leave_dist', title: '释放高度(mm)' },
-            { key: 'relay_out',     title: '继电器',    render: r => decodeRelay(r.relay_code) },
+            { key: 'relay_out',     title: '继电器'    },
             { key: 'env',           title: '测试环境',  render: r => envLabel(r) },
                         { key: 'create_time',   title: '时间',      render: r => fmtTime(r.create_time) },
         ],
@@ -110,16 +110,15 @@ function fmtTime(v) {
     return `${y}-${m}-${d2} ${h}:${min}:${s}`;
 }
 
+const RELAY_MAP = {
+    0: '无输出',
+    1: '存在信号',
+    2: '脉冲信号',
+    3: '存在信号; 脉冲信号',
+};
 function decodeRelay(v) {
     if (v === null || v === undefined || v === '') return '-';
-    return decodeRelayCode(parseInt(v));
-}
-/** 将 relay_code 原始值解码为可读字符串：
- *  bit 0 → 存在继电器，bit 1 → 脉冲继电器 */
-function decodeRelayCode(code) {
-    const exist = (code & 0x01) ? "存在继电器有输出" : "存在继电器无输出";
-    const pulse = (code & 0x02) ? "脉冲继电器有输出" : "脉冲继电器无输出";
-    return `${exist}，${pulse}`;
+    return RELAY_MAP[parseInt(v)] || `0x${parseInt(v).toString(16).toUpperCase().padStart(2, '0')}`;
 }
 
 function escHtml(s) {
@@ -297,7 +296,7 @@ function buildRelaySeries(records) {
         // tooltip 中显示解码后的文本
         tooltip: {
             valueFormatter: function (value) {
-                return decodeRelayCode(value);
+                return RELAY_MAP[value] || `未知(${value})`;
             }
         },
     };
@@ -428,7 +427,7 @@ async function loadChart() {
               offset: 160,
               axisLabel: {
                   formatter: function (v) {
-                      return decodeRelayCode(v);
+                      return RELAY_MAP[v] || '';
                   },
                   fontSize: 10,
               }},
diff --git a/edc-web/app/static/js/test_op.js b/edc-web/app/static/js/test_op.js
index 8377ba7..1767d8a 100644
--- a/edc-web/app/static/js/test_op.js
+++ b/edc-web/app/static/js/test_op.js
@@ -388,12 +388,15 @@ function fmtTime(v) {
     return `${y}-${m}-${d2} ${h}:${min}:${s}`;
 }
 
+const RELAY_MAP = {
+    0: '无输出',
+    1: '存在信号',
+    2: '脉冲信号',
+    3: '存在信号; 脉冲信号',
+};
 function decodeRelay(v) {
     if (v === null || v === undefined || v === '') return '-';
-    const code = parseInt(v);
-    const exist = (code & 0x01) ? "存在继电器有输出" : "存在继电器无输出";
-    const pulse = (code & 0x02) ? "脉冲继电器有输出" : "脉冲继电器无输出";
-    return `${exist}，${pulse}`;
+    return RELAY_MAP[parseInt(v)] || `0x${parseInt(v).toString(16).toUpperCase().padStart(2, '0')}`;
 }
 
 // ─── 显示最新结果 ──────────────────────────────
@@ -413,7 +416,7 @@ function renderLatest(data) {
         <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：${data.fault_info || '无'}</p>
-        <p>继电器：${decodeRelay(data.relay_code)}</p>
+        <p>继电器：${data.relay_out || decodeRelay(data.relay_code)}</p>
         <p>时间：${fmtTime(data.create_time)}</p>
     `;
 }
@@ -454,7 +457,7 @@ function renderLatestWave(data) {
         <p>最远距离：${data.far_dist || '-'} mm</p>
         <p>进入高度 (B4)：${data.b4_enter_dist || '-'} mm</p>
         <p>离开高度 (B4)：${data.b4_leave_dist || '-'} mm</p>
-        <p>继电器：${decodeRelay(data.relay_code)}</p>
+        <p>继电器：${data.relay_out || decodeRelay(data.relay_code)}</p>
         <p>时间：${fmtTime(data.create_time)}</p>
     `;
 }