diff --git a/miniprogram/pages/auto-scan/auto-scan.js b/miniprogram/pages/auto-scan/auto-scan.js
index be3da1b..de3f39a 100644
--- a/miniprogram/pages/auto-scan/auto-scan.js
+++ b/miniprogram/pages/auto-scan/auto-scan.js
@@ -48,6 +48,7 @@ Page({
     self._frameCount = 0
     self._completed = false
     self._collecting = false
+    self._seenRunState1 = false
     self._lastFitting = -1
     self._lastRunState = -1
     self.setData({ phase: 'waiting_fit', frameCount: 0, pdAvg: [], error: '' })
@@ -73,13 +74,17 @@ Page({
         self._lastRunState = data.run_state
       }
 
+      if (data.run_state === 1) {
+        self._seenRunState1 = true
+      }
+
       if (self._lastFitting === 1 && data.run_state === 1 && !self._collecting) {
         console.log('[SCAN] 贴合确认，开始采集PD数据')
         self._collecting = true
         self.setData({ phase: 'collecting' })
       }
 
-      if (self._lastFitting === 0 && data.run_state === 0 && self.data.phase === 'waiting_fit') {
+      if (self._seenRunState1 && self._lastFitting === 0 && data.run_state === 0 && self.data.phase === 'waiting_fit') {
         console.log('[SCAN] 未贴合，检测失败')
         self._completed = true
         self._cleanup()