diff --git a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseLiveAutomation.kt b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseLiveAutomation.kt
index 1ee7877..51259d5 100644
--- a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseLiveAutomation.kt
+++ b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseLiveAutomation.kt
@@ -32,6 +32,7 @@ class PurchaseLiveException(val code: String, message: String, val actualUnitPri
 class PurchaseLiveAutomation(
     private val driver: PurchaseUiDriver,
     private val pause: (Long) -> Unit = Thread::sleep,
+    private val diagnostic: (String) -> Unit = {},
 ) {
     private var submitAttempted = false
     private var savedAddressProof: ShippingAddressProof? = null
@@ -126,7 +127,9 @@ class PurchaseLiveAutomation(
                 }
                 pause(1_000)
                 snapshot = waitFor("PURCHASE_ADDRESS_PANEL_TIMEOUT", "收货地址页面打开超时，未创建订单") {
-                    it.nodes.any { node -> node.visible && node.label.replace(" ", "") == "收货地址" }
+                    it.packageName == PDD_PACKAGE &&
+                        it.nodes.any { node -> node.visible && node.label.replace(" ", "") == "收货地址" } &&
+                        addressModifyTargets(it).size == 1
                 }
                 return editAndVerifyAddress(snapshot, addressSuffix)
             }
@@ -488,10 +491,8 @@ class PurchaseLiveAutomation(
         structuralSubmitAnchor = null
         val modify = addressModifyTargets(panel)
         if (modify.size != 1) fail("PURCHASE_ADDRESS_EDIT_AMBIGUOUS", "没有找到唯一的地址修改按钮，未创建订单")
-        click(modify.single(), "修改地址")
-        val edit = waitFor("PURCHASE_ADDRESS_EDIT_TIMEOUT", "地址编辑页面打开超时，未创建订单") { snapshot ->
-            snapshot.nodes.any { it.visible && it.label.replace(" ", "").contains("详细地址") }
-        }
+        click(modify.single(), "修改地址", 1_000)
+        val edit = waitForAddressEditorReady()
         val editors = shippingAddressEditors(edit)
         if (editors.size != 1) fail("PURCHASE_ADDRESS_UPDATE_FAILED", "没有找到唯一的详细地址输入框，未创建订单")
         val current = editors.single().label.trim()
@@ -504,7 +505,7 @@ class PurchaseLiveAutomation(
         }
         val save = uniqueClickable(stable, stable.nodes.filter { it.visible && it.enabled && it.label == "保存" })
         if (save.size != 1) fail("PURCHASE_ADDRESS_UPDATE_FAILED", "地址保存按钮不唯一，未创建订单")
-        click(save.single(), "保存地址")
+        click(save.single(), "保存地址", 1_000)
         var savedEvidence = waitForStableAddressEditorExit()
         if (!savedAddressPageReady(savedEvidence, expected, suffix)) {
             if (isPurchaseConfirmationPanel(savedEvidence)) {
@@ -715,13 +716,33 @@ class PurchaseLiveAutomation(
         }.distinctBy { it.path }
     }
 
-    private fun click(node: SnapshotNode, label: String) {
+    private fun waitForAddressEditorReady(): UiSnapshot {
+        var previous: SnapshotNode? = null
+        var previousActivity: String? = null
+        var count = 0
+        repeat(50) { poll ->
+            val snapshot = driver.capture()
+            pageProblem(snapshot)
+            val editors = if (snapshot.packageName == PDD_PACKAGE) shippingAddressEditors(snapshot) else emptyList()
+            count = editors.size
+            diagnostic("addressEditorCandidates=$count;addressEditorPolls=${poll + 1}")
+            val editor = editors.singleOrNull()
+            if (editor != null && previous != null && snapshot.activityName == previousActivity &&
+                editor.path == previous!!.path && editor.bounds == previous!!.bounds && editor.label == previous!!.label) return snapshot
+            previous = editor
+            previousActivity = snapshot.activityName
+            pause(200)
+        }
+        fail("PURCHASE_ADDRESS_UPDATE_FAILED", "详细地址输入框未稳定就绪，未创建订单 [candidates=$count]")
+    }
+
+    private fun click(node: SnapshotNode, label: String, settleMillis: Long = 500) {
         when (driver.clickFresh(node)) {
             FreshActionResult.SUCCESS -> Unit
             FreshActionResult.AMBIGUOUS -> fail("RULE_AMBIGUOUS", "$label 不唯一")
             else -> fail("RULE_ACTION_FAILED", "$label 点击失败")
         }
-        pause(500)
+        pause(settleMillis)
     }
 
     private fun legacySubmitTargets(snapshot: UiSnapshot): List<SnapshotNode> = uniqueClickable(
diff --git a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt
index a640082..3a0363e 100644
--- a/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt
+++ b/android/app/src/main/java/cn/ilapage/goauto/agent/automation/PurchaseRehearsalExecutor.kt
@@ -107,7 +107,7 @@ class PurchaseRehearsalExecutor(
         var addressProof: ShippingAddressProof? = null
         var irreversibleStarted = false
         val specSelectionProofs = mutableMapOf<String, ExactSpecSelectionProof>()
-        val live = PurchaseLiveAutomation(driver, pause)
+        val live = PurchaseLiveAutomation(driver, pause, panelDiagnostic)
         for (action in rule.actions) {
             // The immediate phase-two handoff can reuse the PDD page retained by
             // spec_probe. A later manual retry may start from Agent (or another
diff --git a/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/PurchaseDiagnosticStore.kt b/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/PurchaseDiagnosticStore.kt
index 2b7a7f4..226e87a 100644
--- a/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/PurchaseDiagnosticStore.kt
+++ b/android/app/src/main/java/cn/ilapage/goauto/agent/persistence/PurchaseDiagnosticStore.kt
@@ -58,7 +58,8 @@ class PurchaseDiagnosticStore(private val directory: File, private val now: () -
         private val VERSION = Regex("[0-9]+\\.[0-9]+\\.[0-9]+")
         private val FILE_NAME = Regex("[1-9][0-9]*_[A-Za-z0-9-]{1,80}\\.jsonl")
         private val numbers = setOf("specEntryCandidates", "explicit", "nested", "bottomPurchase", "entryReadyWaitPolls",
-            "entryReadyWaitMillis", "scrollables", "headings", "options", "entryWaitPolls", "entryWaitMillis")
+            "entryReadyWaitMillis", "scrollables", "headings", "options", "entryWaitPolls", "entryWaitMillis",
+            "addressEditorCandidates", "addressEditorPolls")
         private val booleans = setOf("panelAlreadyOpen", "reviewPage", "pageEvidence", "pageChanged", "summary", "quantity",
             "orderAction", "closeControl", "paymentArea")
         private val enums = mapOf(
diff --git a/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseLiveAutomationTest.kt b/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseLiveAutomationTest.kt
index c47dde3..5550b33 100644
--- a/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseLiveAutomationTest.kt
+++ b/android/app/src/test/java/cn/ilapage/goauto/agent/PurchaseLiveAutomationTest.kt
@@ -18,6 +18,35 @@ import org.junit.Assert.assertTrue
 import org.junit.Test
 
 class PurchaseLiveAutomationTest {
+    @Test fun `address editor waits for loaded unique stable input after one second transitions`() {
+        val driver = LiveDriver()
+        var polls = 0
+        driver.editTransform = { snapshot ->
+            polls++
+            when (polls) {
+                1 -> snapshot.copy(nodes = snapshot.nodes.filterNot { it.path == "editor-address" })
+                2 -> snapshot.copy(nodes = snapshot.nodes.map { if (it.path == "editor-address") it.copy(text = "") else it })
+                else -> snapshot
+            }
+        }
+        val pauses = mutableListOf<Long>()
+        PurchaseLiveAutomation(driver, pause = { pauses += it }).updateShippingAddress("_cg81")
+        assertTrue(polls >= 4)
+        assertEquals("editor-address", driver.lastInputTargetPath)
+        assertEquals(3, pauses.count { it == 1_000L })
+        assertEquals(0, driver.submitClicks)
+    }
+
+    @Test fun `persistently ambiguous address editors never receive input`() {
+        val driver = LiveDriver()
+        driver.editTransform = { snapshot -> snapshot.copy(nodes = snapshot.nodes + snapshot.nodes.single { it.path == "editor-address" }.copy(path = "duplicate-editor")) }
+        val error = runCatching { PurchaseLiveAutomation(driver, pause = {}).updateShippingAddress("_cg81") }.exceptionOrNull() as PurchaseLiveException
+        assertEquals("PURCHASE_ADDRESS_UPDATE_FAILED", error.code)
+        assertTrue(error.message!!.contains("candidates=2"))
+        assertEquals(null, driver.lastInputTargetPath)
+        assertFalse(driver.clicked.contains("保存地址"))
+    }
+
     @Test
     fun `saved address recognizes split dynamic footer outside spec scroller without a swipe`() {
         for (label in listOf("复购价，", "专享优惠，")) {
@@ -902,13 +931,14 @@ class PurchaseLiveAutomationTest {
         var postSubmitCaptureCount = 0
         val currentPage: String get() = page
         var structuredTransform: (UiSnapshot) -> UiSnapshot = { it }
+        var editTransform: (UiSnapshot) -> UiSnapshot = { it }
 
         override fun capture(): UiSnapshot {
             if (submitClicks > 0) {
                 postSubmitCaptureCount++
                 if (pendingPostSubmitPages.isNotEmpty()) page = pendingPostSubmitPages.removeAt(0)
             }
-            return currentSnapshot().let { if (page == "structured") structuredTransform(it) else it }
+            return currentSnapshot().let { if (page == "structured") structuredTransform(it) else if (page == "edit") editTransform(it) else it }
         }
 
         private fun currentSnapshot(): UiSnapshot = when (page) {