diff --git a/packages/uni-app-plus/src/service/api/device/systemInfo.ts b/packages/uni-app-plus/src/service/api/device/systemInfo.ts
index 26ba2971a30c783bfecb352b6a9f2e93eb8510c4..363a99536922f542783930c9eaa6b65028414f7b 100644
--- a/packages/uni-app-plus/src/service/api/device/systemInfo.ts
+++ b/packages/uni-app-plus/src/service/api/device/systemInfo.ts
@@ -11,6 +11,11 @@ function weexGetSystemInfoSync() {
   if (!_initSystemInfo) return
   const { getSystemInfoSync } = weex.requireModule('plus')
   systemInfo = getSystemInfoSync()
+  if (typeof systemInfo === 'string') {
+    try {
+      systemInfo = JSON.parse(systemInfo)
+    } catch (error) {}
+  }
 }
 
 export const getDeviceInfo = defineSyncApi<typeof uni.getDeviceInfo>(