diff --git a/app/src/main/java/com/shuwei/dish/match/ui/fragment/SeasoningConfigFragment.kt b/app/src/main/java/com/shuwei/dish/match/ui/fragment/SeasoningConfigFragment.kt
index ff114c3..f4f2700 100644
--- a/app/src/main/java/com/shuwei/dish/match/ui/fragment/SeasoningConfigFragment.kt
+++ b/app/src/main/java/com/shuwei/dish/match/ui/fragment/SeasoningConfigFragment.kt
@@ -47,8 +47,8 @@ class SeasoningConfigFragment : BaseFragment<FragmentSeasoningConfigBinding>() {
     private val adapter22 by lazy { buildAdapter22() }
     private val adapter18 by lazy { Seasoning18GridAdapter() }
 
-    /** 各秤地址的上一次重量快照，用于计算 delta */
-    private val weightSnapshot = mutableMapOf<Int, Double>()
+    /** 各秤的上一次重量快照，key 格式 "{deviceId}#{address}"，用于计算 delta */
+    private val weightSnapshot = mutableMapOf<String, Double>()
     /** 主线程 Handler，用于延迟清除高亮 */
     private val mainHandler = Handler(Looper.getMainLooper())
     /** 当前高亮清除任务，新高亮触发时取消旧任务 */
@@ -161,7 +161,7 @@ class SeasoningConfigFragment : BaseFragment<FragmentSeasoningConfigBinding>() {
             viewLifecycleOwner.lifecycleScope.launch {
                 allScalesFlow.collect { scaleMap ->
                     scaleMap.forEach { (key, data) ->
-                        val snapshotKey = data.address + data.deviceId.hashCode() * 1000
+                        val snapshotKey = "${data.deviceId}#${data.address}"
                         val baseline = weightSnapshot[snapshotKey]
                         if (baseline == null) {
                             // 首次收到：记录基准
@@ -187,11 +187,12 @@ class SeasoningConfigFragment : BaseFragment<FragmentSeasoningConfigBinding>() {
         } else {
             // 子设备：注册本机 WeightUtil 监听，触发后通过 broadcastEvent 通知主设备
             WeightUtil.addWeightListener(TAG) { address, state, weight ->
-                val baseline = weightSnapshot[address]
+                val snapshotKey = "${GlobalData.deviceId}#$address"
+                val baseline = weightSnapshot[snapshotKey]
                 Log.d(TAG, "onWeight: address=$address state=$state weight=$weight baseline=$baseline")
 
                 if (baseline == null) {
-                    weightSnapshot[address] = weight
+                    weightSnapshot[snapshotKey] = weight
                     return@addWeightListener
                 }
 
@@ -201,12 +202,12 @@ class SeasoningConfigFragment : BaseFragment<FragmentSeasoningConfigBinding>() {
                 when {
                     // 仅在秤稳定后判断增量，避免取走物品时手部冲力造成误触发
                     state == WeightUtil.STATE_STABLE && delta > WEIGHT_DELTA_THRESHOLD -> {
-                        weightSnapshot[address] = weight
+                        weightSnapshot[snapshotKey] = weight
                         Log.d(TAG, "onWeight: 触发高亮 address=$address delta=$delta")
                         triggerHighlight(GlobalData.deviceId, address, delta)
                     }
                     state == WeightUtil.STATE_STABLE -> {
-                        weightSnapshot[address] = weight
+                        weightSnapshot[snapshotKey] = weight
                     }
                 }
             }