diff --git a/app/src/main/java/org/autojs/autojs/autojs/build/AutoJsApkBuilder.java b/app/src/main/java/org/autojs/autojs/autojs/build/AutoJsApkBuilder.java
index 419ce82c..174e609d 100644
--- a/app/src/main/java/org/autojs/autojs/autojs/build/AutoJsApkBuilder.java
+++ b/app/src/main/java/org/autojs/autojs/autojs/build/AutoJsApkBuilder.java
@@ -48,14 +48,18 @@ public class AutoJsApkBuilder extends ApkBuilder {
         Callable<Bitmap> icon;
 
         public static AppConfig fromProjectConfig(String projectDir, ProjectConfig projectConfig) {
-            return new AppConfig()
+            String icon = projectConfig.getIcon();
+            AppConfig appConfig = new AppConfig()
                     .setAppName(projectConfig.getName())
                     .setPackageName(projectConfig.getPackageName())
                     .ignoreDir(new File(projectDir, projectConfig.getBuildDir()))
                     .setVersionCode(projectConfig.getVersionCode())
                     .setVersionName(projectConfig.getVersionName())
-                    .setIcon(projectConfig.getIcon())
                     .setSourcePath(projectDir);
+            if (icon != null) {
+                appConfig.setIcon(new File(projectDir, icon).getPath());
+            }
+            return appConfig;
         }
 
 
diff --git a/app/src/main/java/org/autojs/autojs/ui/project/BuildActivity.java b/app/src/main/java/org/autojs/autojs/ui/project/BuildActivity.java
index 06e130cf..e413073c 100644
--- a/app/src/main/java/org/autojs/autojs/ui/project/BuildActivity.java
+++ b/app/src/main/java/org/autojs/autojs/ui/project/BuildActivity.java
@@ -25,10 +25,12 @@ import org.androidannotations.annotations.AfterViews;
 import org.androidannotations.annotations.Click;
 import org.androidannotations.annotations.EActivity;
 import org.androidannotations.annotations.ViewById;
+import org.autojs.autojs.App;
 import org.autojs.autojs.Pref;
 import org.autojs.autojs.R;
 import org.autojs.autojs.autojs.build.AutoJsApkBuilder;
 import org.autojs.autojs.build.ApkBuilderPluginHelper;
+import org.autojs.autojs.external.fileprovider.AppFileProvider;
 import org.autojs.autojs.model.script.ScriptFile;
 import org.autojs.autojs.theme.dialog.ThemeColorMaterialDialogBuilder;
 import org.autojs.autojs.tool.BitmapTool;
@@ -301,7 +303,7 @@ public class BuildActivity extends BaseActivity implements AutoJsApkBuilder.Prog
                 .positiveText(R.string.text_install)
                 .negativeText(R.string.cancel)
                 .onPositive((dialog, which) ->
-                        IntentUtil.installApk(BuildActivity.this, outApk.getPath())
+                        IntentUtil.installApk(BuildActivity.this, outApk.getPath(), AppFileProvider.AUTHORITY)
                 )
                 .show();
 
diff --git a/app/src/main/java/org/autojs/autojs/ui/update/UpdateInfoDialogBuilder.java b/app/src/main/java/org/autojs/autojs/ui/update/UpdateInfoDialogBuilder.java
index 95b7e819..f0837477 100644
--- a/app/src/main/java/org/autojs/autojs/ui/update/UpdateInfoDialogBuilder.java
+++ b/app/src/main/java/org/autojs/autojs/ui/update/UpdateInfoDialogBuilder.java
@@ -20,6 +20,7 @@ import com.stardust.util.IntentUtil;
 import org.autojs.autojs.BuildConfig;
 import org.autojs.autojs.Pref;
 import org.autojs.autojs.R;
+import org.autojs.autojs.external.fileprovider.AppFileProvider;
 import org.autojs.autojs.network.download.DownloadManager;
 import org.autojs.autojs.network.entity.VersionInfo;
 import org.autojs.autojs.tool.IntentTool;
@@ -118,7 +119,7 @@ public class UpdateInfoDialogBuilder extends MaterialDialog.Builder {
         final String path = new File(Pref.getScriptDirPath(), "AutoJs.apk").getPath();
         DownloadManager.getInstance().downloadWithProgress(getContext(), downloadUrl, path)
                 .subscribeOn(AndroidSchedulers.mainThread())
-                .subscribe(file -> IntentUtil.installApk(getContext(), file.getPath()),
+                .subscribe(file -> IntentUtil.installApk(getContext(), file.getPath(), AppFileProvider.AUTHORITY),
                         error -> {
                             error.printStackTrace();
                             Toast.makeText(getContext(), R.string.text_download_failed, Toast.LENGTH_SHORT).show();
diff --git a/common/src/main/java/com/stardust/util/IntentUtil.java b/common/src/main/java/com/stardust/util/IntentUtil.java
index 52eb7f92..a1d0f138 100644
--- a/common/src/main/java/com/stardust/util/IntentUtil.java
+++ b/common/src/main/java/com/stardust/util/IntentUtil.java
@@ -85,12 +85,13 @@ public class IntentUtil {
         return goToAppDetailSettings(context, context.getPackageName());
     }
 
-    // FIXME: 2018/7/11 Permission denial
-    public static void installApk(Context context, String path) {
+    public static void installApk(Context context, String path, String fileProviderAuthority) {
+        Uri uri = getUriOfFile(context, path, fileProviderAuthority);
         Intent intent = new Intent(Intent.ACTION_VIEW);
-
-        intent.setDataAndType(Uri.fromFile(new File(path)), "application/vnd.android.package-archive");
-        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        intent.setDataAndType(uri, "application/vnd.android.package-archive");
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                .addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
         context.startActivity(intent);
     }
 
@@ -99,13 +100,18 @@ public class IntentUtil {
         viewFile(context, path, mimeType, fileProviderAuthority);
     }
 
-    public static void viewFile(Context context, String path, String mimeType, String fileProviderAuthority) {
+    public static Uri getUriOfFile(Context context, String path, String fileProviderAuthority) {
         Uri uri;
         if (fileProviderAuthority == null) {
             uri = Uri.parse("file://" + path);
         } else {
             uri = FileProvider.getUriForFile(context, fileProviderAuthority, new File(path));
         }
+        return uri;
+    }
+
+    public static void viewFile(Context context, String path, String mimeType, String fileProviderAuthority) {
+        Uri uri = getUriOfFile(context, path, fileProviderAuthority);
         context.startActivity(new Intent(Intent.ACTION_VIEW)
                 .setDataAndType(uri, mimeType)
                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
@@ -115,12 +121,7 @@ public class IntentUtil {
 
     public static void editFile(Context context, String path, String fileProviderAuthority) {
         String mimeType = MimeTypes.fromFileOr(path, "*/*");
-        Uri uri;
-        if (fileProviderAuthority == null) {
-            uri = Uri.parse("file://" + path);
-        } else {
-            uri = FileProvider.getUriForFile(context, fileProviderAuthority, new File(path));
-        }
+        Uri uri = getUriOfFile(context, path, fileProviderAuthority);
         context.startActivity(new Intent(Intent.ACTION_EDIT)
                 .setDataAndType(uri, mimeType)
                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)