diff --git a/app/src/main/java/com/shuwei/dish/match/db/DbViewModel.kt b/app/src/main/java/com/shuwei/dish/match/db/DbViewModel.kt
index b87141c..df7bc03 100644
--- a/app/src/main/java/com/shuwei/dish/match/db/DbViewModel.kt
+++ b/app/src/main/java/com/shuwei/dish/match/db/DbViewModel.kt
@@ -537,5 +537,17 @@ class DbViewModel : ViewModel() {
         }
     }
 
+    /**
+     * 清除所有向量采集数据，完成后刷新列表
+     * @param onDone 清除完成后在主线程执行的回调
+     */
+    fun clearAllCollectedFood(onDone: (() -> Unit)? = null) {
+        viewModelScope.launch {
+            ObjectBox.removeAll()
+            loadCollectedFoodList()
+            onDone?.invoke()
+        }
+    }
+
     //--------------------------------------------------------------------------------------------------------
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/shuwei/dish/match/objbox/ObjectBox.kt b/app/src/main/java/com/shuwei/dish/match/objbox/ObjectBox.kt
index c5a0cd6..ad3b9fa 100644
--- a/app/src/main/java/com/shuwei/dish/match/objbox/ObjectBox.kt
+++ b/app/src/main/java/com/shuwei/dish/match/objbox/ObjectBox.kt
@@ -213,6 +213,11 @@ object ObjectBox {
         getBox<Food>()?.query(Food_.name.equal(name))?.build()?.remove()
     }
 
+    // 清除所有向量采集数据
+    suspend fun removeAll() = safeDbOp {
+        getBox<Food>()?.removeAll()
+    }
+
     /**
      * 按名称分组统计采集数量
      * 使用属性查询只加载 name 字段，不加载 foodVector，节省大量内存
diff --git a/app/src/main/java/com/shuwei/dish/match/ui/CollectedFoodActivity.kt b/app/src/main/java/com/shuwei/dish/match/ui/CollectedFoodActivity.kt
index 2634b7c..0906f04 100644
--- a/app/src/main/java/com/shuwei/dish/match/ui/CollectedFoodActivity.kt
+++ b/app/src/main/java/com/shuwei/dish/match/ui/CollectedFoodActivity.kt
@@ -55,6 +55,22 @@ class CollectedFoodActivity : BaseActivity() {
         }
     }
 
+    /**
+     * 清除所有采集数据确认弹窗
+     */
+    private fun showClearAllDialog() {
+        CommonDialog(this)
+            .setTitle("清除提示")
+            .setContent("清除后无法恢复，确认要清除所有采集数据吗？")
+            .setNegativeButton("取消")
+            .setPositiveButton("确认") {
+                dbViewModel.clearAllCollectedFood {
+                    toast("已清除所有采集数据")
+                }
+            }
+            .show()
+    }
+
     /**
      * 删除弹窗
      */
@@ -96,7 +112,11 @@ class CollectedFoodActivity : BaseActivity() {
         }, titleAction = {
             it.text = "已采集食材"
         }, rightIconAction = {
-            it.gone()
+            it.visible()
+            it.setImageResource(R.drawable.ic_trash_white)
+            it.setOnClickListener {
+                showClearAllDialog()
+            }
         }, backAction = {
             it.visible()
             it.setOnClickListener {