diff --git a/src/views/match/manage/Steps/Step3ProjectConfig.vue b/src/views/match/manage/Steps/Step3ProjectConfig.vue
index 4eec526..f11ffd0 100644
--- a/src/views/match/manage/Steps/Step3ProjectConfig.vue
+++ b/src/views/match/manage/Steps/Step3ProjectConfig.vue
@@ -184,8 +184,9 @@ const formatGroupDate = (item) => {
 };
 
 const addProject = () => {
-	timeProjects.value = [];
 	isShowDialog.value = true;
+	// 打开弹窗时，用当前已选项目初始化 timeProjects，以便确定后保留勾选
+	timeProjects.value = [...(localFormData.value.projects ?? [])];
 };
 const timeProjects = ref([])
 const selectionChange = (list) => {
@@ -218,6 +219,33 @@ const onSubmit = async () => {
 
 
 const isShowDialog = ref(false);
+const tableRef = ref(null);
+// 弹窗打开后，每当 ProTable 加载完新数据，将已选项目回显为勾选状态
+watch(isShowDialog, (visible) => {
+	if (!visible) return;
+	// 用 watchEffect 追踪 tableData 变化，数据每次刷新后重新回显
+	const stopWatch = watch(
+		() => tableRef.value?.tableData,
+		(tableData) => {
+			if (!tableData?.length) return;
+			nextTick(() => {
+				const elTable = tableRef.value?.element;
+				if (!elTable) return;
+				const alreadySelectedIds = new Set(
+					(localFormData.value.projects ?? []).map((p) => p.projectId ?? p.id)
+				);
+				tableData.forEach((row) => {
+					elTable.toggleRowSelection(row, alreadySelectedIds.has(row.id));
+				});
+			});
+		},
+		{ deep: true, immediate: true }
+	);
+	// 弹窗关闭时停止监听
+	const stopDialog = watch(isShowDialog, (v) => {
+		if (!v) { stopWatch(); stopDialog(); }
+	});
+});
 
 const columns = ref([
 	{