diff --git a/static/js/app.js b/static/js/app.js
index 67a1478..675ac08 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -649,12 +649,14 @@
       return;
     }
     var cardId = "condition-confirmation-" + confirmation.batch_id;
+    removeStaleConditionConfirmationCards(cardId);
     if (document.getElementById(cardId)) {
       return;
     }
     var article = document.createElement("article");
     article.className = "message assistant";
     article.id = cardId;
+    article.setAttribute("data-condition-confirmation-card", "");
     article.setAttribute("data-node-label", "AI 适用条件确认");
 
     var avatar = document.createElement("div");
@@ -687,6 +689,14 @@
     scrollChatToBottom();
   }
 
+  function removeStaleConditionConfirmationCards(activeCardId) {
+    document.querySelectorAll("[data-condition-confirmation-card]").forEach(function (card) {
+      if (card.id !== activeCardId) {
+        card.remove();
+      }
+    });
+  }
+
   function renderConditionFields(candidates) {
     var html = "";
     Object.keys(candidates || {}).forEach(function (field) {
@@ -830,9 +840,9 @@
     delete workflowPollingTimers[key];
   }
 
-  function startWorkflowPolling(batchId) {
+  function startWorkflowPolling(batchId, workflow_type) {
     var card = workflowCardList ? workflowCardList.querySelector('[data-batch-id="' + batchId + '"]') : null;
-    var workflow_type = card ? card.getAttribute("data-workflow-type") || "file_summary" : "file_summary";
+    workflow_type = workflow_type || (card ? card.getAttribute("data-workflow-type") || "file_summary" : "file_summary");
     var key = workflowTimerKey(batchId, workflow_type);
     if (!batchId || workflowPollingTimers[key]) {
       return;
@@ -907,7 +917,7 @@
             status.textContent = "已确认，工作流继续执行。";
           }
           form.classList.add("confirmed");
-          startWorkflowPolling(batchId);
+          startWorkflowPolling(batchId, "regulatory_review");
           await refreshWorkflowCard(batchId, "regulatory_review");
         } catch (error) {
           if (status) {
@@ -1050,7 +1060,7 @@
             assistantMessage.text.innerHTML = renderAssistantContent(assistantText);
           } else if (eventName === "workflow_started") {
             ensureWorkflowCard(payload);
-            startWorkflowPolling(payload.batch_id);
+            startWorkflowPolling(payload.batch_id, payload.workflow_type);
           } else if (eventName === "done") {
             if (payload.assistant_message_id) {
               assistantMessage.article.id = "message-" + payload.assistant_message_id;
diff --git a/templates/home.html b/templates/home.html
index e3e1132..50301fb 100644
--- a/templates/home.html
+++ b/templates/home.html
@@ -128,6 +128,7 @@
             <article
               class="message assistant"
               id="condition-confirmation-{{ condition_confirmation.id }}"
+              data-condition-confirmation-card
               data-node-label="AI 适用条件确认"
             >
               <div class="message-avatar">AI</div>
diff --git a/tests/test_regulatory_frontend.py b/tests/test_regulatory_frontend.py
index c786a6e..9fbef5f 100644
--- a/tests/test_regulatory_frontend.py
+++ b/tests/test_regulatory_frontend.py
@@ -163,3 +163,20 @@ def test_frontend_selects_status_url_by_workflow_type():
     assert "condition_confirmation" in script
     assert "bindRectificationActionButtons" in script
     assert "data-rectification-action" in script
+
+
+def test_frontend_polls_regulatory_workflow_with_explicit_workflow_type():
+    script = open("static/js/app.js", encoding="utf-8").read()
+
+    assert "function startWorkflowPolling(batchId, workflow_type)" in script
+    assert "startWorkflowPolling(payload.batch_id, payload.workflow_type)" in script
+    assert 'startWorkflowPolling(batchId, "regulatory_review")' in script
+    assert 'workflow_type || (card ? card.getAttribute("data-workflow-type") || "file_summary" : "file_summary")' in script
+
+
+def test_frontend_keeps_single_condition_confirmation_prompt():
+    script = open("static/js/app.js", encoding="utf-8").read()
+
+    assert "data-condition-confirmation-card" in script
+    assert "removeStaleConditionConfirmationCards" in script
+    assert '[data-condition-confirmation-card]' in script