diff --git a/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue b/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue
index a668a73..8810338 100644
--- a/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue
+++ b/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue
@@ -230,8 +230,8 @@
         return props.formDisabled;
       });
 
-      // 普通新增没有业务 ID，不展示评分和投票子表；已有数据及流程表单正常展示。
-      const showSubTables = computed(() => Boolean(formData.id || props.formData?.dataId));
+      // 子表由流程节点维护，普通新增、编辑和详情弹窗均不展示，避免误改评分或投票数据。
+      const showSubTables = computed(() => props.formBpm === true && Boolean(formData.id || props.formData?.dataId));
 
       function getCurrentDate() {
         const now = new Date();
@@ -354,11 +354,9 @@
       async function edit(row) {
         //主表数据
         await queryMainData(row.id);
-        //子表数据
-        const improvementDeptScoreDataList = await queryImprovementDeptScoreListByMainId(row['id']);
-        improvementDeptScoreTable.dataSource = [...improvementDeptScoreDataList];
-        const improvementInstituteVoteDataList = await queryImprovementInstituteVoteListByMainId(row['id']);
-        improvementInstituteVoteTable.dataSource = [...improvementInstituteVoteDataList];
+        // 普通编辑不加载子表，并清理弹窗复用时可能残留的表格数据。
+        improvementDeptScoreTable.dataSource = [];
+        improvementInstituteVoteTable.dataSource = [];
       }
 
       async function queryMainData(id) {
@@ -399,8 +397,8 @@
         const mainData = await getFormData();
         const isUpdate = Boolean(mainData.id);
         const values = Object.assign({}, dbData, mainData);
-        // 新增提案只保存主表；已有提案编辑或流程提交时才采集子表数据。
-        if (isUpdate) {
+        // 仅流程表单提交子表，普通编辑不能覆盖后续流程维护的评分和投票记录。
+        if (isUpdate && showSubTables.value) {
           const subData = await getSubFormAndTableData();
           Object.assign(values, subData);
         }