diff --git a/src/views/dataTransfer/voyageReg.vue b/src/views/dataTransfer/voyageReg.vue
index af3d4e7..f70ff6b 100644
--- a/src/views/dataTransfer/voyageReg.vue
+++ b/src/views/dataTransfer/voyageReg.vue
@@ -320,7 +320,7 @@
         <el-table-column prop="member_sex" label="性别" width="50" />
         <el-table-column prop="member_birthday" label="出生年月" width="100">
           <template slot-scope="scope">
-            <span>{{ scope.row.member_birthday.slice(0,10) }}</span>
+            <span>{{ formatBirthday(scope.row.member_birthday) }}</span>
           </template>
         </el-table-column>
         <el-table-column label="年龄" width="50">
@@ -719,20 +719,38 @@ export default {
       this.paramsPeople.limit = val
       this.getPeopleList()
     },
-    formatAge(birthDateString) {
-      if (birthDateString) {
-        const today = new Date()
-        const birthDate = new Date(birthDateString)
-        let age = today.getFullYear() - birthDate.getFullYear()
-        // 检查是否已过今年的生日
-        const m = today.getMonth() - birthDate.getMonth()
-        if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) {
-          age--
-        }
-        return age
-      } else {
+    /**
+     * 格式化出生日期显示
+     * @param {string|null|undefined} birthDateString - 出生日期
+     * @returns {string}
+     */
+    formatBirthday(birthDateString) {
+      if (!birthDateString || !String(birthDateString).trim()) {
         return ''
       }
+      return String(birthDateString).slice(0, 10)
+    },
+    /**
+     * 根据出生日期计算年龄，出生信息为空时不计算
+     * @param {string|null|undefined} birthDateString - 出生日期
+     * @returns {string|number}
+     */
+    formatAge(birthDateString) {
+      if (!birthDateString || !String(birthDateString).trim()) {
+        return ''
+      }
+      const birthDate = new Date(birthDateString)
+      if (isNaN(birthDate.getTime())) {
+        return ''
+      }
+      const today = new Date()
+      let age = today.getFullYear() - birthDate.getFullYear()
+      // 检查是否已过今年的生日
+      const m = today.getMonth() - birthDate.getMonth()
+      if (m < 0 || (m === 0 && today.getDate() < birthDate.getDate())) {
+        age--
+      }
+      return age
     },
     cancelPeople() {
       this.openPeople = false