diff --git a/.gitattributes b/.gitattributes
index 0330f86..3d8bccd 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,3 @@
-bouncycastle/* linguist-vendored
-boot_signer/*  linguist-vendored
-mkbootfs/*     linguist-vendored
+aosp/*         linguist-vendored
+external/*     linguist-vendored
 avb/*          linguist-vendored
diff --git a/build.gradle.kts b/build.gradle.kts
index d452ec6..631ab1e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -22,6 +22,15 @@ buildscript {
 }
 
 tasks {
+    register("rr") {
+        this.group = GROUP_ANDROID
+        this.description = "reboot to recovery"
+        this.doLast {
+            logger.warn("Rebooting to recovery ...")
+            Runtime.getRuntime().exec("adb root")
+            Runtime.getRuntime().exec("adb reboot recovery")
+        }
+    }
     val unpackTask by register<JavaExec>("unpack") {
         group = GROUP_ANDROID
         main = "cfig.packable.PackableLauncherKt"
diff --git a/doc/recovery_adb.md b/doc/recovery_adb.md
new file mode 100644
index 0000000..88b6d37
--- /dev/null
+++ b/doc/recovery_adb.md
@@ -0,0 +1,24 @@
+# 打开recovery模式下的adb
+
+###1. 解开vbmeta.img， 关闭AVB
+修改 build/unzip_boot/vbmeta.img.avb.json, Line #19
+```diff
+-    "flags" : 0,
+-    "flags" : 2,
+```
+重新打包，刷回去
+
+###2. 先解开boot.img, 然后做修改如下
+
+修改**prop.default**,打开debuggable
+```diff
+-ro.debuggable=0
++ro.debuggable=1
+```
+关闭adb secure, 防止出现adb devices之后的unauthorized 状态
+```diff
+-ro.adb.secure=1
++ro.adb.secure=0
+```
+
+重新打包，刷回去