diff --git a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
index 635bb97..cddc6fb 100644
--- a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
@@ -222,15 +222,22 @@
         }
 
         binding.outputDataView.setOnClickListener {
-            val valueBeans = DataBaseManager.get.loadAll()
-            //导出到本地文件
-            val rootDirectory = FileManager.getRootDirectory()
-            val file = File("${rootDirectory}/GasDensityValue.json")
-            if (file.exists()) {
-                file.delete()
+            //改为协程导出，不然会很卡
+            LoadingDialogHub.show(this, "数据导出中...")
+            lifecycleScope.launch(Dispatchers.Main) {
+                withContext(Dispatchers.IO) {
+                    val valueBeans = DataBaseManager.get.loadAll()
+                    //导出到本地文件
+                    val rootDirectory = FileManager.getRootDirectory()
+                    val file = File("${rootDirectory}/GasDensityValue.json")
+                    if (file.exists()) {
+                        file.delete()
+                    }
+                    valueBeans.toJson().writeToFile(file)
+                }
+                LoadingDialogHub.dismiss()
+                "数据导出成功，请在设备文件管理根目录【Endoscope】查看".show(context)
             }
-            valueBeans.toJson().writeToFile(file)
-            "数据导出成功，请在设备文件管理根目录【Endoscope】查看".show(this)
         }
 
         binding.upScaleButton.setOnTouchListener { _, event ->