diff --git a/src/views/workCenter/regulatoryComplianceCheckProcess/modules/EngineerInitBaseInfo.vue b/src/views/workCenter/regulatoryComplianceCheckProcess/modules/EngineerInitBaseInfo.vue
index 2f2968e..8e98969 100644
--- a/src/views/workCenter/regulatoryComplianceCheckProcess/modules/EngineerInitBaseInfo.vue
+++ b/src/views/workCenter/regulatoryComplianceCheckProcess/modules/EngineerInitBaseInfo.vue
@@ -709,6 +709,10 @@ export default {
             this.$emit('loading', true)
             // 获取下方那个表格信息
             const param = Object.assign({}, this.standardDataSource[0], this.formInline)
+            // 如果是添加标准分解单来源是不带入或者是手动新增的，是否与上一版相同设置成空
+            if ((param.standardId && param.splitFileSource === DecompositionSource.NO_INPUT.value) || !param.standardId) {
+              param.isSameLastVersion = undefined
+            }
             regulatoryComplianceCheckGenerate(param).then(res => {
               if (res.success) {
                 this.$message.success(res.message)