diff --git a/app/src/main/java/cc/niushuai/project/devcontrol/base/App.java b/app/src/main/java/cc/niushuai/project/devcontrol/base/App.java
index 0485961..ac051df 100644
--- a/app/src/main/java/cc/niushuai/project/devcontrol/base/App.java
+++ b/app/src/main/java/cc/niushuai/project/devcontrol/base/App.java
@@ -2,6 +2,7 @@ package cc.niushuai.project.devcontrol.base;
 
 import android.content.Context;
 
+import cc.niushuai.project.devcontrol.base.util.GlobalVariables;
 import cc.niushuai.project.devcontrol.db.DB;
 
 public class App {
@@ -10,6 +11,8 @@ public class App {
 
         // 初始化数据库
         initDb(context);
+        // 重建设备信息缓存
+        GlobalVariables.initDeviceInfoMap();
     }
 
     private static void initDb(Context context) {