diff --git a/manager/src/main/java/moe/shizuku/manager/starter/Starter.kt b/manager/src/main/java/moe/shizuku/manager/starter/Starter.kt
index e803d37a3..5aa9caa51 100644
--- a/manager/src/main/java/moe/shizuku/manager/starter/Starter.kt
+++ b/manager/src/main/java/moe/shizuku/manager/starter/Starter.kt
@@ -3,10 +3,11 @@ package moe.shizuku.manager.starter
 import android.content.Context
 import android.os.Build
 import android.os.UserManager
+import android.system.ErrnoException
+import android.system.Os
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
-import moe.shizuku.manager.BuildConfig
 import moe.shizuku.manager.R
 import moe.shizuku.manager.ktx.createDeviceProtectedStorageContextCompat
 import moe.shizuku.manager.ktx.logd
@@ -51,18 +52,40 @@ object Starter {
         }
     }
 
-    fun writeDataFiles(context: Context) {
-        if (commandInternal[0] != null) {
+    fun writeDataFiles(context: Context, permission: Boolean = false) {
+        if (commandInternal[0] != null && !permission) {
             logd("already written")
             return
         }
 
+        val dir = context.createDeviceProtectedStorageContextCompat().filesDir?.parentFile ?: return
+
+        if (permission) {
+            try {
+                Os.chmod(dir.absolutePath, 457 /* 0711 */)
+            } catch (e: ErrnoException) {
+                e.printStackTrace()
+            }
+        }
+
         try {
-            val dir = context.createDeviceProtectedStorageContextCompat().filesDir?.parentFile ?: return
             val starter = copyStarter(context, File(dir, "starter"))
             val sh = writeScript(context, File(dir, "start.sh"), starter)
             commandInternal[0] = "sh $sh"
             logd(commandInternal[0]!!)
+
+            if (permission) {
+                try {
+                    Os.chmod(starter, 420 /* 0644 */)
+                } catch (e: ErrnoException) {
+                    e.printStackTrace()
+                }
+                try {
+                    Os.chmod(sh, 420 /* 0644 */)
+                } catch (e: ErrnoException) {
+                    e.printStackTrace()
+                }
+            }
         } catch (e: IOException) {
             loge("write files", e)
         }
diff --git a/manager/src/main/java/moe/shizuku/manager/starter/StarterActivity.kt b/manager/src/main/java/moe/shizuku/manager/starter/StarterActivity.kt
index 19f542fd7..cae310f84 100644
--- a/manager/src/main/java/moe/shizuku/manager/starter/StarterActivity.kt
+++ b/manager/src/main/java/moe/shizuku/manager/starter/StarterActivity.kt
@@ -12,6 +12,7 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
 import moe.shizuku.manager.AppConstants.EXTRA
+import moe.shizuku.manager.BuildConfig
 import moe.shizuku.manager.R
 import moe.shizuku.manager.ShizukuSettings
 import moe.shizuku.manager.adb.AdbClient
@@ -205,6 +206,34 @@ private class ViewModel(context: Context, root: Boolean, host: String?, port: In
                 sb.append('\n').append(it.toString())
                 postResult(it)
             }
+
+            /* Adb on MIUI Android 11 has no permission to access Android/data.
+               Before MIUI Android 12, we can temporarily use /data/user_de.
+               After that, is better to implement "adb push" and push files directly to /data/local/tmp.
+             */
+            if (sb.contains("/Android/data/${BuildConfig.APPLICATION_ID}/start.sh: Permission denied")) {
+                sb.append('\n')
+                        .appendLine("adb have no permission to access Android/data, how could this possible ?!")
+                        .appendLine("try /data/user_de instead...")
+                        .appendLine()
+                postResult()
+
+                Starter.writeDataFiles(application, true)
+
+                AdbClient(host, port, key).runCatching {
+                    connect()
+                    shellCommand(Starter.dataCommand) {
+                        sb.append(String(it))
+                        postResult()
+                    }
+                    close()
+                }.onFailure {
+                    it.printStackTrace()
+
+                    sb.append('\n').append(it.toString())
+                    postResult(it)
+                }
+            }
         }
     }
 }
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