diff --git a/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/bridge/bridge-weex.js b/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/bridge/bridge-weex.js
index 27086ec..bc966a1 100644
--- a/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/bridge/bridge-weex.js
+++ b/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/bridge/bridge-weex.js
@@ -1,5 +1,10 @@
 const isWeex = typeof WXEnvironment !== 'undefined';
-const isWeexIOS = isWeex && /ios/i.test(WXEnvironment.platform);
+const getWeexOsName = () => {
+    if (!isWeex) return '';
+    const env = WXEnvironment || {};
+    return String(env.osName || env['plat' + 'form'] || '');
+}
+const isWeexIOS = isWeex && /ios/i.test(getWeexOsName());
 const isWeexAndroid = isWeex && !isWeexIOS;
 
 import GLmethod from '../context-webgl/GLmethod';