diff --git a/apps/miniprogram/native/pkg-veepoo/index.js b/apps/miniprogram/native/pkg-veepoo/index.js
index ecebd62..ccd257c 100644
--- a/apps/miniprogram/native/pkg-veepoo/index.js
+++ b/apps/miniprogram/native/pkg-veepoo/index.js
@@ -415,7 +415,7 @@ Page({
 
   _formatValues: function (type, values) {
     if (type === 'blood_pressure') {
-      return (values.systolic ?? '--') + '/' + (values.diastolic ?? '--');
+      return (values.systolic != null ? values.systolic : '--') + '/' + (values.diastolic != null ? values.diastolic : '--');
     }
     var v = Object.values(values)[0];
     // H5 修复：零值合法，仅 undefined/null 显示占位符