diff --git a/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt b/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt
index d93baa8fb..832f877ea 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt
@@ -48,4 +48,7 @@ interface BookSourceDao {
 
     @Delete
     fun delete(vararg bookSource: BookSource)
+
+    @get:Query("select min(customOrder) from book_sources")
+    val minOrder: Int
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt b/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
index 4be37daca..cd824cf00 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/booksource/BookSourceActivity.kt
@@ -19,7 +19,6 @@ import io.legado.app.base.VMBaseActivity
 import io.legado.app.data.entities.BookSource
 import io.legado.app.help.ItemTouchCallback
 import io.legado.app.lib.theme.ATH
-import io.legado.app.ui.bookshelf.BookshelfViewModel
 import io.legado.app.ui.qrcode.QrCodeActivity
 import io.legado.app.ui.sourceedit.SourceEditActivity
 import io.legado.app.utils.getViewModel
@@ -30,11 +29,11 @@ import kotlinx.coroutines.launch
 import org.jetbrains.anko.startActivity
 import org.jetbrains.anko.startActivityForResult
 
-class BookSourceActivity : VMBaseActivity<BookshelfViewModel>(R.layout.activity_book_source),
+class BookSourceActivity : VMBaseActivity<BookSourceViewModel>(R.layout.activity_book_source),
     BookSourceAdapter.CallBack,
     SearchView.OnQueryTextListener {
-    override val viewModel: BookshelfViewModel
-        get() = getViewModel(BookshelfViewModel::class.java)
+    override val viewModel: BookSourceViewModel
+        get() = getViewModel(BookSourceViewModel::class.java)
 
     private lateinit var adapter: BookSourceAdapter
     private var bookSourceLiveDate: LiveData<PagedList<BookSource>>? = null
@@ -139,6 +138,10 @@ class BookSourceActivity : VMBaseActivity<BookshelfViewModel>(R.layout.activity_
         startActivity<SourceEditActivity>(Pair("data", bookSource.bookSourceUrl))
     }
 
+    override fun topSource(bookSource: BookSource) {
+        viewModel.topSource(bookSource)
+    }
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         when (requestCode) {
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt b/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
index 60680e083..1d6869cb4 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/booksource/BookSourceAdapter.kt
@@ -83,7 +83,7 @@ class BookSourceAdapter : PagedListAdapter<BookSource, BookSourceAdapter.MyViewH
                 callBack?.update(bookSource)
             }
             iv_edit_source.onClick { callBack?.edit(bookSource) }
-            iv_top_source.onClick { }
+            iv_top_source.onClick { callBack?.topSource(bookSource) }
             iv_del_source.onClick { callBack?.del(bookSource) }
         }
     }
@@ -94,5 +94,6 @@ class BookSourceAdapter : PagedListAdapter<BookSource, BookSourceAdapter.MyViewH
         fun edit(bookSource: BookSource)
         fun update(bookSource: BookSource)
         fun update(vararg bookSource: BookSource)
+        fun topSource(bookSource: BookSource)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
index d7b798bea..d90de9feb 100644
--- a/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/booksource/BookSourceViewModel.kt
@@ -1,8 +1,19 @@
 package io.legado.app.ui.booksource
 
 import android.app.Application
+import io.legado.app.App
 import io.legado.app.base.BaseViewModel
+import io.legado.app.data.entities.BookSource
 
 class BookSourceViewModel(application: Application) : BaseViewModel(application) {
 
+
+    fun topSource(bookSource: BookSource) {
+        execute {
+            val minXh = App.db.bookSourceDao().minOrder
+            bookSource.customOrder = minXh - 1
+            App.db.bookSourceDao().insert(bookSource)
+        }
+    }
+
 }
\ No newline at end of file