diff --git a/app/src/main/java/io/legado/app/constant/DbTable.kt b/app/src/main/java/io/legado/app/constant/DbTable.kt
deleted file mode 100644
index 11e8b2fb5..000000000
--- a/app/src/main/java/io/legado/app/constant/DbTable.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package io.legado.app.constant
-
-object DbTable {
-    const val books = "books"
-    const val book_sources = "book_sources"
-    const val replace_rules = "replace_rules"
-}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/data/AppDatabase.kt b/app/src/main/java/io/legado/app/data/AppDatabase.kt
index 819298f55..5e0ebdd07 100644
--- a/app/src/main/java/io/legado/app/data/AppDatabase.kt
+++ b/app/src/main/java/io/legado/app/data/AppDatabase.kt
@@ -51,5 +51,5 @@ abstract class AppDatabase : RoomDatabase() {
 
     abstract fun bookDao(): BookDao
     abstract fun replaceRuleDao(): ReplaceRuleDao
-    abstract fun sourceDao() : BookSourceDao
+    abstract fun bookSourceDao() : BookSourceDao
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/data/dao/BookDao.kt b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
index a2cd9d7e7..10c65f279 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
@@ -6,25 +6,24 @@ import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
-import io.legado.app.constant.DbTable
 import io.legado.app.data.entities.Book
 
 @Dao
 interface BookDao {
 
-    @Query("SELECT * FROM ${DbTable.books} WHERE `group` = :group")
+    @Query("SELECT * FROM books WHERE `group` = :group")
     fun observeByGroup(group: Int): DataSource.Factory<Int, Book>
 
-    @Query("SELECT descUrl FROM ${DbTable.books} WHERE `group` = :group")
+    @Query("SELECT descUrl FROM books WHERE `group` = :group")
     fun observeUrlsByGroup(group: Int): LiveData<List<String>>
 
-    @Query("SELECT * FROM ${DbTable.books} WHERE `name` in (:names)")
+    @Query("SELECT * FROM books WHERE `name` in (:names)")
     fun findByName(vararg names: String): List<Book>
 
-    @get:Query("SELECT descUrl FROM ${DbTable.books}")
+    @get:Query("SELECT descUrl FROM books")
     val allBookUrls: List<String>
 
-    @get:Query("SELECT COUNT(*) FROM ${DbTable.books}")
+    @get:Query("SELECT COUNT(*) FROM books")
     val allBookCount: Int
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
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 8576331a9..b92e379ff 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
@@ -3,12 +3,15 @@ package io.legado.app.data.dao
 import androidx.paging.DataSource
 import androidx.room.Dao
 import androidx.room.Query
-import io.legado.app.constant.DbTable
 import io.legado.app.data.entities.BookSource
 
 @Dao
 interface BookSourceDao {
 
-    @Query("select * from ${DbTable.book_sources}")
+    @Query("select * from book_sources")
     fun observeAll(): DataSource.Factory<Int, BookSource>
+
+    @Query("select * from book_sources where origin = :key")
+    fun findByKey(key:String): BookSource?
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/data/dao/ReplaceRuleDao.kt b/app/src/main/java/io/legado/app/data/dao/ReplaceRuleDao.kt
index 3435eef62..d4a2073c0 100644
--- a/app/src/main/java/io/legado/app/data/dao/ReplaceRuleDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/ReplaceRuleDao.kt
@@ -3,41 +3,40 @@ package io.legado.app.data.dao
 import androidx.lifecycle.LiveData
 import androidx.paging.DataSource
 import androidx.room.*
-import io.legado.app.constant.DbTable
 import io.legado.app.data.entities.ReplaceRule
 
 
 @Dao
 interface ReplaceRuleDao {
 
-    @Query("SELECT * FROM ${DbTable.replace_rules} ORDER BY sortOrder ASC")
+    @Query("SELECT * FROM replace_rules ORDER BY sortOrder ASC")
     fun observeAll(): DataSource.Factory<Int, ReplaceRule>
 
-    @Query("SELECT id FROM ${DbTable.replace_rules} ORDER BY sortOrder ASC")
+    @Query("SELECT id FROM replace_rules ORDER BY sortOrder ASC")
     fun observeAllIds(): LiveData<List<Int>>
 
-    @get:Query("SELECT MAX(sortOrder) FROM ${DbTable.replace_rules}")
+    @get:Query("SELECT MAX(sortOrder) FROM replace_rules")
     val maxOrder: Int
 
-    @get:Query("SELECT * FROM ${DbTable.replace_rules} ORDER BY sortOrder ASC")
+    @get:Query("SELECT * FROM replace_rules ORDER BY sortOrder ASC")
     val all: List<ReplaceRule>
 
-    @get:Query("SELECT * FROM ${DbTable.replace_rules} WHERE isEnabled = 1 ORDER BY sortOrder ASC")
+    @get:Query("SELECT * FROM replace_rules WHERE isEnabled = 1 ORDER BY sortOrder ASC")
     val allEnabled: List<ReplaceRule>
 
-    @Query("SELECT * FROM ${DbTable.replace_rules} WHERE id = :id")
+    @Query("SELECT * FROM replace_rules WHERE id = :id")
     fun findById(id: Int): ReplaceRule?
 
-    @Query("SELECT * FROM ${DbTable.replace_rules} WHERE id in (:ids)")
+    @Query("SELECT * FROM replace_rules WHERE id in (:ids)")
     fun findByIds(vararg ids: Int): List<ReplaceRule>
 
-    @Query("SELECT * FROM ${DbTable.replace_rules} WHERE isEnabled = 1 AND scope LIKE '%' || :scope || '%'")
+    @Query("SELECT * FROM replace_rules WHERE isEnabled = 1 AND scope LIKE '%' || :scope || '%'")
     fun findEnabledByScope(scope: String): List<ReplaceRule>
 
-    @get:Query("SELECT COUNT(*) - SUM(isEnabled) FROM ${DbTable.replace_rules}")
+    @get:Query("SELECT COUNT(*) - SUM(isEnabled) FROM replace_rules")
     val summary: Int
 
-    @Query("UPDATE ${DbTable.replace_rules} SET isEnabled = :enable")
+    @Query("UPDATE replace_rules SET isEnabled = :enable")
     fun enableAll(enable: Boolean)
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
diff --git a/app/src/main/java/io/legado/app/data/entities/Book.kt b/app/src/main/java/io/legado/app/data/entities/Book.kt
index 4f49cc7ef..78b3694e8 100644
--- a/app/src/main/java/io/legado/app/data/entities/Book.kt
+++ b/app/src/main/java/io/legado/app/data/entities/Book.kt
@@ -3,11 +3,10 @@ package io.legado.app.data.entities
 import android.os.Parcelable
 import androidx.room.*
 import io.legado.app.constant.AppConst.NOT_AVAILABLE
-import io.legado.app.constant.DbTable
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
-@Entity(tableName = DbTable.books, indices = [(Index(value = ["descUrl"], unique = true))])
+@Entity(tableName = "books", indices = [(Index(value = ["descUrl"], unique = true))])
 data class Book(@PrimaryKey
                 var descUrl: String = "",                   // 详情页Url(本地书源存储完整文件路径)
                 var tocUrl: String = "",                    // 目录页Url (toc=table of Contents)
diff --git a/app/src/main/java/io/legado/app/data/entities/BookSource.kt b/app/src/main/java/io/legado/app/data/entities/BookSource.kt
index 4bb90d850..2ac3aea66 100644
--- a/app/src/main/java/io/legado/app/data/entities/BookSource.kt
+++ b/app/src/main/java/io/legado/app/data/entities/BookSource.kt
@@ -3,22 +3,19 @@ package io.legado.app.data.entities
 import android.os.Parcelable
 import androidx.room.*
 import io.legado.app.constant.AppUtils.GSON_CONVERTER
-import io.legado.app.constant.DbTable
 import io.legado.app.data.entities.rule.*
 import kotlinx.android.parcel.IgnoredOnParcel
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
 @Entity(
-    tableName = DbTable.book_sources,
+    tableName = "book_sources",
     indices = [(Index(value = ["sourceId"])), (Index(value = ["origin"], unique = false))]
 )
 data class BookSource (
-    @PrimaryKey(autoGenerate = true)
-    @ColumnInfo(name = "sourceId")
-    var id: Int = 0,                          // 编号
-    var name: String = "",                    // 名称
+    @PrimaryKey
     var origin: String = "",                  // 地址，包括 http/https
+    var name: String = "",                    // 名称
     var type: Int = 0,                        // 类型，0 文本，1 音频
     var group: String? = null,                // 分组
     var header: String? = null,               // header
diff --git a/app/src/main/java/io/legado/app/data/entities/ReplaceRule.kt b/app/src/main/java/io/legado/app/data/entities/ReplaceRule.kt
index 6152c3bfd..8b5a0fda6 100644
--- a/app/src/main/java/io/legado/app/data/entities/ReplaceRule.kt
+++ b/app/src/main/java/io/legado/app/data/entities/ReplaceRule.kt
@@ -5,11 +5,10 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.Index
 import androidx.room.PrimaryKey
-import io.legado.app.constant.DbTable
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
-@Entity(tableName = DbTable.replace_rules,
+@Entity(tableName = "replace_rules",
     indices = [(Index(value = ["id"]))])
 data class ReplaceRule(
                 @PrimaryKey(autoGenerate = true)
diff --git a/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt b/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt
index f8f3021a3..9ae233d73 100644
--- a/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/booksource/BookSourceFragment.kt
@@ -18,7 +18,7 @@ import kotlinx.android.synthetic.main.fragment_book_source.*
 import kotlinx.android.synthetic.main.view_titlebar.*
 import org.jetbrains.anko.startActivity
 
-class BookSourceFragment : BaseFragment(R.layout.fragment_book_source) {
+class BookSourceFragment : BaseFragment(R.layout.fragment_book_source), BookSourceAdapter.CallBack {
 
     private lateinit var adapter: BookSourceAdapter
     private var bookSourceLiveDate: LiveData<PagedList<BookSource>>? = null
@@ -44,12 +44,25 @@ class BookSourceFragment : BaseFragment(R.layout.fragment_book_source) {
     private fun initRecyclerView() {
         recycler_view.layoutManager = LinearLayoutManager(context)
         adapter = BookSourceAdapter()
+        adapter.callBack = this
         recycler_view.adapter = adapter
     }
 
     private fun initDataObservers() {
         bookSourceLiveDate?.removeObservers(viewLifecycleOwner)
-        bookSourceLiveDate = LivePagedListBuilder(App.db.sourceDao().observeAll(), 30).build()
+        bookSourceLiveDate = LivePagedListBuilder(App.db.bookSourceDao().observeAll(), 30).build()
         bookSourceLiveDate?.observe(viewLifecycleOwner, Observer { adapter.submitList(it) })
     }
+
+    override fun del(bookSource: BookSource) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun update(bookSource: BookSource) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun edit(bookSource: BookSource) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditActivity.kt b/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditActivity.kt
index f4db1d5b4..f896e386a 100644
--- a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditActivity.kt
@@ -12,7 +12,8 @@ class SourceEditActivity : BaseActivity<SourceEditViewModel>() {
         get() = R.layout.activity_source_edit
 
     override fun onViewModelCreated(viewModel: SourceEditViewModel, savedInstanceState: Bundle?) {
-
+        val sourceID = intent.getStringExtra("data")
+        sourceID?.let { viewModel.setBookSource(sourceID)}
     }
 
 
diff --git a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditAdapter.kt b/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditAdapter.kt
new file mode 100644
index 000000000..58102960b
--- /dev/null
+++ b/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditAdapter.kt
@@ -0,0 +1,24 @@
+package io.legado.app.ui.sourceedit
+
+import android.view.View
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+
+class SourceEditAdapter : RecyclerView.Adapter<SourceEditAdapter.MyViewHolder>() {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun getItemCount(): Int {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    class MyViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditViewModel.kt b/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditViewModel.kt
index 4be930291..f0d341fe9 100644
--- a/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/sourceedit/SourceEditViewModel.kt
@@ -2,7 +2,17 @@ package io.legado.app.ui.sourceedit
 
 import android.app.Application
 import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.MutableLiveData
+import io.legado.app.App
+import io.legado.app.data.dao.BookSourceDao
+import io.legado.app.data.entities.BookSource
 
 class SourceEditViewModel(application: Application) : AndroidViewModel(application) {
 
+    private val sourceLiveData:MutableLiveData<BookSource> = MutableLiveData()
+
+    fun setBookSource(key: String) {
+        sourceLiveData.value = App.db.bookSourceDao().findByKey(key)
+    }
+
 }
\ No newline at end of file