diff --git a/openhis-ui-vue3/src/views/surgicalschedule/temporaryMedical.vue b/openhis-ui-vue3/src/views/surgicalschedule/temporaryMedical.vue
index 51def6e1d..14b58b516 100755
--- a/openhis-ui-vue3/src/views/surgicalschedule/temporaryMedical.vue
+++ b/openhis-ui-vue3/src/views/surgicalschedule/temporaryMedical.vue
@@ -312,6 +312,13 @@ const getMethodCodeDict = computed(() => {
 
 // 响应式数据 - isSigned 从父组件传入的 prop 初始化
 const isSigned = ref(props.isSignedProp)
+
+// 🔧 修复 Bug #446: 同步父组件 isSignedProp 的变化到本地 isSigned
+// ref(props.isSignedProp) 只在初始化时读取一次，父组件后续更新不会自动同步
+watch(() => props.isSignedProp, (newVal) => {
+  isSigned.value = newVal
+})
+
 const signatureTime = ref('')
 const showSignDialog = ref(false)
 const signPassword = ref('')