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 d9879a223..e207f8c03 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
@@ -19,15 +19,14 @@ data class Book(@PrimaryKey
                 var type: Int = 0,                          // 0: 文本读物, 1: 有声读物
                 var group: Int = 0,                         // 自定义分组索引号
                 var tocUrl: String = "",                    // 目录页Url (toc=table of Contents)
-                var latestChapterName: String? = null,      // 最新章节
-                var lastCheckTime: Long? = null,            // 最近一次更新书籍信息的时间
-                var hasNewChapter: Boolean = false,         // 最近一次更新书籍信息时是否发现新章节
-                var latestChapterTime: Long? = null,        // 最近一次发现新章节的时间
-                var latestCheckCount: Int = 0,              // 最近一次发现新章节的数量
+                var latestChapterTitle: String? = null,     // 最新章节标题
+                var latestChapterTime: Long = 0,            // 最新章节标题更新时间
+                var lastCheckTime: Long = 0,                // 最近一次更新书籍信息的时间
+                var lastCheckCount: Int = 0,                // 最近一次发现新章节的数量
                 var totalChapterNum: Int = 0,               // 书籍目录总数
-                var durChapterName: String = "",            // 当前章节名称
+                var durChapterTitle: String = "",           // 当前章节名称
                 var durChapterIndex: Int = 0,               // 当前章节索引
-                var durChapterMark: Int = 0,                // 当前阅读的进度(首行字符的索引位置)
+                var durChapterPos: Int = 0,                 // 当前阅读的进度(首行字符的索引位置)
                 var durChapterTime: Long = 0,               // 最近一次阅读书籍的时间(打开正文的时间)
                 var canUpdate: Boolean = true,              // 刷新书架时更新书籍信息
                 var variable: String? = null                // 自定义书籍变量信息(用于书源规则检索书籍信息)
diff --git a/app/src/main/java/io/legado/app/data/entities/Chapter.kt b/app/src/main/java/io/legado/app/data/entities/Chapter.kt
index fa359a582..724ae6258 100644
--- a/app/src/main/java/io/legado/app/data/entities/Chapter.kt
+++ b/app/src/main/java/io/legado/app/data/entities/Chapter.kt
@@ -17,12 +17,12 @@ import kotlinx.android.parcel.Parcelize
         onDelete = ForeignKey.CASCADE))])    // 删除书籍时自动删除章节
 data class Chapter(@PrimaryKey
                     var url: String = "",               // 章节地址
-                    var name: String = "",              // 章节标题
+                    var title: String = "",              // 章节标题
                     var bookUrl: String = "",           // 书籍地址
                     var index: Int = 0,                 // 章节序号
                     var resourceUrl: String? = null,    // 音频真实URL
                     var tag: String? = null,            //
-                    var start: Long? = null,            // 章节起始地址
-                    var end: Long? = null               // 章节终止地址
+                    var start: Long? = null,            // 章节起始位置
+                    var end: Long? = null               // 章节终止位置
 ) : Parcelable
 
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 9c6d6b5b6..fdfa41d3f 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
@@ -9,15 +9,16 @@ import kotlinx.android.parcel.Parcelize
 @Parcelize
 @Entity(tableName = "replace_rules",
     indices = [(Index(value = ["id"]))])
-data class ReplaceRule(@PrimaryKey
-                       val id: Int = 0,
-                       val summary: String? = null,
-                       val pattern: String? = null,
-                       val replacement: String? = null,
-                       val scope: String? = null,
-                       val isEnabled: Boolean? = null,
-                       val isRegex: Boolean? = null,
-                       val order: Int = 0
+data class ReplaceRule(
+                @PrimaryKey(autoGenerate = true)
+                val id: Int = 0,
+                val summary: String? = null,
+                val pattern: String? = null,
+                val replacement: String? = null,
+                val scope: String? = null,
+                val isEnabled: Boolean? = null,
+                val isRegex: Boolean? = null,
+                val order: Int = 0
 ) : Parcelable
 
 
diff --git a/app/src/main/java/io/legado/app/data/entities/Source.kt b/app/src/main/java/io/legado/app/data/entities/Source.kt
index 5bac00ac0..1c6cfcf18 100644
--- a/app/src/main/java/io/legado/app/data/entities/Source.kt
+++ b/app/src/main/java/io/legado/app/data/entities/Source.kt
@@ -1,6 +1,7 @@
 package io.legado.app.data.entities
 
 import android.os.Parcelable
+import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.Index
 import androidx.room.PrimaryKey
@@ -8,11 +9,12 @@ import kotlinx.android.parcel.Parcelize
 
 @Parcelize
 @Entity(tableName = "sources",
-    indices = [(Index(value = ["id"]))])
-data class Source(@PrimaryKey
+    indices = [(Index(value = ["sourceId"]))])
+data class Source(@PrimaryKey(autoGenerate = true)
+                  @ColumnInfo(name = "sourceId")
                   var id: Int = 0,                          // 编号
-                  var host: String = "",                    // 地址，包括 http/https
                   var name: String = "",                    // 名称
+                  var origin: String = "",                    // 地址，包括 http/https
                   var type: Int = 0,                        // 类型，0 文本，1 音频
                   var group: String? = null,                // 分组
                   var header: String? = null,               // header