diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/SimHelper.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/SimHelper.kt
index 4e8b224..f561506 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/SimHelper.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/SimHelper.kt
@@ -13,7 +13,11 @@ import android.telephony.SubscriptionInfo
 import android.telephony.SubscriptionManager
 import android.telephony.TelephonyManager
 import android.util.Log
+import com.common.commonlib.CommonApplication
 import com.common.commonlib.utils.LogUtils
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
 
 
 object SimHelper {
@@ -113,7 +117,8 @@ object SimHelper {
     private var counter = 0
 
     fun setNetStatus(status: Boolean) {
-        LogUtils.w("setNetStatus $status")
+        LogUtils.w("setNetStatus before=$isNetOK  now =$status")
+        tryNoifyUser(status)
         isNetOK = status
         // UI刷新要慢
         if (counter % 6 == 0) {
@@ -133,6 +138,21 @@ object SimHelper {
         counter++
     }
 
+    /**
+     * 尝试通知用户
+     * @param status
+     */
+    private fun tryNoifyUser(status: Boolean) {
+        if (isNetOK == status) {
+            // 状态无变化
+            return
+        }
+        val str = if (isNetOK && !status) "网络链接断开！" else "网络已连接！"
+        GlobalScope.launch(Dispatchers.Main) {
+            CommonApplication.getContext()?.showToast(str)
+        }
+    }
+
     fun isNetOk(): Boolean {
         return isNetOK
     }