diff --git a/openhis-ui-vue3/src/views/inpatientDoctor/home/components/order/applicationForm/laboratoryTests.vue b/openhis-ui-vue3/src/views/inpatientDoctor/home/components/order/applicationForm/laboratoryTests.vue
index 72a5eff38..0441d7497 100755
--- a/openhis-ui-vue3/src/views/inpatientDoctor/home/components/order/applicationForm/laboratoryTests.vue
+++ b/openhis-ui-vue3/src/views/inpatientDoctor/home/components/order/applicationForm/laboratoryTests.vue
@@ -256,12 +256,16 @@ const projectWithDepartment = (selectProjectIds, type) => {
       if (type === 2 && manualDept) {
         form.targetDepartment = manualDept;
         isRelease = true;
-      } else {
+      } else if (type === 2 && !manualDept) {
+        // 提交时用户未手动选择科室，才提示错误
         isRelease = false;
         ElMessage({
           type: 'error',
           message: '未找到项目执行的科室',
         });
+      } else {
+        // type=1(选择项目变化)时，不弹窗，仅清空科室让用户自行选择
+        isRelease = false;
       }
     }
     if (findItem && isRelease) {