diff --git a/healthlink-his-ui/src/views/doctorstation/components/examination/examinationApplication.vue b/healthlink-his-ui/src/views/doctorstation/components/examination/examinationApplication.vue
index 1eb377740..3399566c9 100755
--- a/healthlink-his-ui/src/views/doctorstation/components/examination/examinationApplication.vue
+++ b/healthlink-his-ui/src/views/doctorstation/components/examination/examinationApplication.vue
@@ -271,7 +271,8 @@
                   >
                     <el-input
                       v-model="form.medicalrecordNumber"
-                      readonly
+                      size="small"
+                      placeholder="请输入就诊卡号"
                     />
                   </el-form-item>
                 </el-col>
@@ -1759,12 +1760,14 @@ watch(selectedMethods, () => {
 }, { deep: true });
 
 // 监听患者变化
-watch(() => props.patientInfo, (newVal) => {
-  if (newVal?.encounterId) {
-    initPatientForm(newVal);
+// 🔧 Bug #767 同类修复：移除 deep: true，避免深层属性变化时重置用户输入
+// 父组件通过整体替换 patientInfo 对象来切换患者，watch 引用变化即可，无需 deep
+watch(() => props.patientInfo?.encounterId, (newEncounterId) => {
+  if (newEncounterId && props.patientInfo?.encounterId) {
+    initPatientForm(props.patientInfo);
     getList();
   }
-}, { immediate: true, deep: true });
+}, { immediate: true });
 
 watch(() => props.activeTab, async (val) => {
   if (val === 'examination') {
diff --git a/healthlink-his-ui/src/views/doctorstation/components/inspection/inspectionApplication.vue b/healthlink-his-ui/src/views/doctorstation/components/inspection/inspectionApplication.vue
index a52538b5f..094e6f6b5 100755
--- a/healthlink-his-ui/src/views/doctorstation/components/inspection/inspectionApplication.vue
+++ b/healthlink-his-ui/src/views/doctorstation/components/inspection/inspectionApplication.vue
@@ -2618,24 +2618,21 @@ watch(() => props.activeTab, async (newVal) => {
 })
 
 // 监听patientInfo变化,确保encounterId及时更新并重新加载数据
-watch(() => props.patientInfo, async (newVal) => {
-  if (newVal && newVal.encounterId) {
-    const oldEncounterId = queryParams.encounterId
-    queryParams.encounterId = newVal.encounterId
+// 🔧 Bug #767 修复：移除 deep: true，避免深层属性变化时重置就诊卡号等用户输入
+// 父组件通过整体替换 patientInfo 对象来切换患者，watch 引用变化即可，无需 deep
+watch(() => props.patientInfo?.encounterId, async (newEncounterId, oldEncounterId) => {
+  if (newEncounterId) {
+    queryParams.encounterId = newEncounterId
 
     // 初始化数据
     await initData();
 
     // 如果encounterId发生变化，重新加载检验申请单列表
-    if (oldEncounterId !== newVal.encounterId) {
+    if (oldEncounterId !== newEncounterId) {
       getInspectionList()
     }
-
-    // 更新科室编码
-    // const currentDeptCode = await getCurrentDeptCode();
-    // formData.applyDeptCode = currentDeptCode || '';
   }
-}, { deep: true, immediate: true })
+}, { immediate: true })
 
 // Bug #329: 监听已选择的检验项目，自动更新检验项目文本并设置默认执行科室
 watch(() => selectedInspectionItems.value, async (newVal) => {