diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 3cd3cc6..3406f68 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -7,6 +7,7 @@
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
diff --git a/app/src/main/java/top/itning/yunshuclassschedule/ui/activity/ShareActivity.kt b/app/src/main/java/top/itning/yunshuclassschedule/ui/activity/ShareActivity.kt
index e355cc8..d6b9511 100644
--- a/app/src/main/java/top/itning/yunshuclassschedule/ui/activity/ShareActivity.kt
+++ b/app/src/main/java/top/itning/yunshuclassschedule/ui/activity/ShareActivity.kt
@@ -194,11 +194,11 @@ class ShareActivity : BaseActivity() {
             return
         }
         Log.d(TAG, "File Uri: $uri")
-        val openInputStream = contentResolver.openInputStream(uri) ?: kotlin.run {
-            Toast.makeText(this, "解析失败", Toast.LENGTH_LONG).show()
-            return
-        }
         try {
+            val openInputStream = contentResolver.openInputStream(uri) ?: kotlin.run {
+                Toast.makeText(this, "解析失败", Toast.LENGTH_LONG).show()
+                return
+            }
             val inputAsString = openInputStream.bufferedReader().use { it.readText() }
             val dataEntity = Gson().fromJson(inputAsString, DataEntity::class.java)
             val classScheduleList = dataEntity.classScheduleList