diff --git a/static/admin/monitor.js b/static/admin/monitor.js
index eca566a..e92ef90 100644
--- a/static/admin/monitor.js
+++ b/static/admin/monitor.js
@@ -920,6 +920,7 @@ var _stepEditor={
     card.draggable=true;
     card.dataset.idx=idx;
     card.dataset.stepId=step.id||'';
+    card.dataset.stepType=step.type;
     if(this._selected&&this._selected.indexOf(step.id)>=0)card.classList.add('selected');
     // head
     var head=document.createElement('div');
@@ -1145,6 +1146,50 @@ var _stepEditor={
   _makeStep:function(lib){
     return {id:_newStepId(),type:lib.type,label:lib.label,params:JSON.parse(JSON.stringify(lib.params))};
   },
+  // 测试此步骤：在选中设备上试执行当前步骤，验证选择器
+  _testStep:function(btn){
+    var card=btn.closest('.step-card');
+    if(!card)return;
+    var type=card.dataset.stepType||'';
+    var params={};
+    card.querySelectorAll('[data-key]').forEach(function(inp){
+      if(inp.type==='checkbox')params[inp.dataset.key]=inp.checked;
+      else if(inp.type==='number')params[inp.dataset.key]=parseFloat(inp.value)||0;
+      else params[inp.dataset.key]=inp.value;
+    });
+    this._pendingTest={type:type,label:'测试',params:params};
+    this._showTestDevicePicker();
+  },
+  _showTestDevicePicker:function(){
+    document.getElementById('test-modal-title').textContent='测试步骤 - 选择设备';
+    document.getElementById('test-modal-body').innerHTML=
+      '<div class="el-device-grid"><div class="egd-title">选择在哪个设备上试执行</div><div id="test-device-list">加载中...</div></div>';
+    document.getElementById('test-overlay').classList.add('show');
+    var self=this;
+    apiGet('/api/uiauto/devices').then(function(r){
+      var list=document.getElementById('test-device-list');
+      if(!list)return;
+      if(!r||!r.ok){list.innerHTML='<div class="se-empty">'+esc((r&&r.error)||'获取设备失败')+'</div>';return;}
+      list.innerHTML=(r.devices||[]).map(function(d){
+        return '<div class="el-device-card" onclick="_stepEditor._runTestStep(\''+esc(d.serial)+'\')">'+
+          '<div class="edc-icon">📱</div>'+
+          '<div class="edc-info"><div class="edc-serial">'+esc(d.serial)+'</div>'+
+          '<div class="edc-model">'+esc(d.model||d.product||'')+'</div></div></div>';
+      }).join('')||'<div class="se-empty">无可用设备</div>';
+    });
+  },
+  _runTestStep:async function(serial){
+    var step=this._pendingTest;
+    var body=document.getElementById('test-modal-body');
+    if(!step||!body)return;
+    body.innerHTML='<div class="se-empty">正在 '+esc(serial)+' 上执行（adb + u2 连接约需几秒）...<div class="hint">请稍候，期间不要操作该设备</div></div>';
+    var r=await apiPost('/api/steps/test',{serial:serial,step:step});
+    if(!r)return;
+    var icon=r.result==='命中'?'✅':(r.result==='未找到'?'❌':'▶');
+    body.innerHTML='<div class="se-empty" style="padding:20px">'+icon+' <strong>'+esc(r.result||'已执行')+'</strong>'+
+      '<div class="hint" style="margin-top:8px">'+esc(r.msg||'')+'</div>'+
+      '<button class="btn btn-primary" style="margin-top:14px" onclick="closeTestModal()">完成</button></div>';
+  },
   addStep:function(type){
     var lib=_findLib(type);
     if(!lib)return;