diff --git a/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue b/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue
index 3cde3fe..73cd63d 100644
--- a/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue
+++ b/src/views/gh/improvementProposal/components/ImprovementProposalForm.vue
@@ -57,7 +57,7 @@
 						</a-col>
 						<a-col :span="24">
 							<a-form-item label="改善前图片" :labelCol="longLabelCol" :wrapperCol="longWrapperCol">
-								<SUploadFile ref="beforeFileRef" :bussiness-id="formData.proposalNo ? `${formData.proposalNo}:before` : ''" :multiple="true" :disabled="disabled" />
+								<SUploadFile ref="beforeFileRef" :bussiness-id="formData.id ? `${formData.id}:before` : ''" :multiple="true" :disabled="disabled" />
 							</a-form-item>
 						</a-col>
 						<a-col :span="24">
@@ -67,7 +67,7 @@
 						</a-col>
 						<a-col :span="24">
 							<a-form-item label="改善后图片" :labelCol="longLabelCol" :wrapperCol="longWrapperCol">
-								<SUploadFile ref="afterFileRef" :bussiness-id="formData.proposalNo ? `${formData.proposalNo}:after` : ''" :multiple="true" :disabled="disabled" />
+								<SUploadFile ref="afterFileRef" :bussiness-id="formData.id ? `${formData.id}:after` : ''" :multiple="true" :disabled="disabled" />
 							</a-form-item>
 						</a-col>
 						<a-col :span="24">
@@ -415,13 +415,13 @@
         }
         console.log('表单提交数据', values)
         const result = await saveOrUpdate(values, isUpdate);
-        // 新增时，保存成功后绑定附件的 bussinessId
+        // 新增阶段附件暂不绑定；主表生成 ID 后统一关联，保证普通表单和 BPM 使用同一查询键。
         if (!isUpdate) {
           const newId = typeof result === 'string' ? result : (result?.id || result);
           if (newId) {
             formData.id = newId;
-            await beforeFileRef.value?.bindBussinessId(`${formData.proposalNo}:before`);
-            await afterFileRef.value?.bindBussinessId(`${formData.proposalNo}:after`);
+            await beforeFileRef.value?.bindBussinessId(`${formData.id}:before`);
+            await afterFileRef.value?.bindBussinessId(`${formData.id}:after`);
           }
         }
         emit('success');