diff --git a/app/src/main/java/io/legado/app/constant/AppUtils.kt b/app/src/main/java/io/legado/app/constant/AppUtils.kt
new file mode 100644
index 000000000..836736ee5
--- /dev/null
+++ b/app/src/main/java/io/legado/app/constant/AppUtils.kt
@@ -0,0 +1,12 @@
+package io.legado.app.constant
+
+import com.google.gson.Gson
+import com.google.gson.GsonBuilder
+
+object AppUtils {
+        val GSON_CONVERTER: Gson = GsonBuilder()
+            .disableHtmlEscaping()
+            .setPrettyPrinting()
+            .setDateFormat("yyyy-MM-dd HH:mm:ssZ")
+            .create()
+}
\ No newline at end of file
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 30e68eac2..5399384d7 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
@@ -1,31 +1,89 @@
 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
+import androidx.room.*
+import io.legado.app.constant.AppUtils.GSON_CONVERTER
+import io.legado.app.data.entities.rule.*
+import kotlinx.android.parcel.IgnoredOnParcel
 import kotlinx.android.parcel.Parcelize
 
 @Parcelize
-@Entity(tableName = "sources",
-    indices = [(Index(value = ["sourceId"]))])
-data class Source(@PrimaryKey(autoGenerate = true)
-                  @ColumnInfo(name = "sourceId")
-                  var id: Int = 0,                          // 编号
-                  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
-                  var loginUrl: String? = null,             // 登录地址
-                  var isEnabled: Boolean = true,            // 是否启用
-                  var lastUpdateTime: Long = 0,             // 最后更新时间，用于排序
-                  var customOrder: Int = 0,                 // 手动排序编号
-                  var weight: Int = 0,                      // 智能排序的权重
-                  var exploreRule: String? = null,          // 发现规则
-                  var searchRule: String? = null,           // 搜索规则
-                  var bookInfoRule: String? = null,         // 书籍信息页规则
-                  var chapterRule: String? = null,          // 目录页规则
-                  var contentRule: String? = null           // 正文页规则
-                  ) : Parcelable
\ No newline at end of file
+@Entity(
+    tableName = "sources",
+    indices = [(Index(value = ["sourceId"])), (Index(value = ["origin"], unique = false))]
+)
+data class Source (
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "sourceId")
+    var id: Int = 0,                          // 编号
+    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
+    var loginUrl: String? = null,             // 登录地址
+    var isEnabled: Boolean = true,            // 是否启用
+    var lastUpdateTime: Long = 0,             // 最后更新时间，用于排序
+    var customOrder: Int = 0,                 // 手动排序编号
+    var weight: Int = 0,                      // 智能排序的权重
+    var exploreRule: String? = null,          // 发现规则
+    var searchRule: String? = null,           // 搜索规则
+    var bookInfoRule: String? = null,         // 书籍信息页规则
+    var chapterRule: String? = null,          // 目录页规则
+    var contentRule: String? = null           // 正文页规则
+) : Parcelable {
+    @Transient
+    @IgnoredOnParcel
+    var parsedExploreRule: ExploreRule? = null
+    @Transient
+    @IgnoredOnParcel
+    var parsedSearchRule: SearchRule? = null
+    @Transient
+    @IgnoredOnParcel
+    var parsedBookInfoRule: BookInfoRule? = null
+    @Transient
+    @IgnoredOnParcel
+    var parsedChapterRule: ChapterRule? = null
+    @Transient
+    @IgnoredOnParcel
+    var parsedContentRule: ContentRule? = null
+
+    fun initAllRules() {
+        initSearchRule()
+        initExploreRule()
+        initBookInfoRule()
+        initChapterRule()
+        initContentRule()
+    }
+
+    fun initSearchRule() {
+        if (searchRule != null) {
+            parsedSearchRule = GSON_CONVERTER.fromJson(searchRule, SearchRule::class.java)
+        }
+    }
+
+    fun initExploreRule() {
+        if (exploreRule != null) {
+            parsedExploreRule = GSON_CONVERTER.fromJson(exploreRule, ExploreRule::class.java)
+        }
+    }
+
+    fun initBookInfoRule() {
+        if (bookInfoRule != null) {
+            parsedBookInfoRule = GSON_CONVERTER.fromJson(bookInfoRule, BookInfoRule::class.java)
+        }
+    }
+
+    fun initChapterRule() {
+        if (chapterRule != null) {
+            parsedChapterRule = GSON_CONVERTER.fromJson(chapterRule, ChapterRule::class.java)
+        }
+    }
+
+    fun initContentRule() {
+        if (contentRule != null) {
+            parsedContentRule = GSON_CONVERTER.fromJson(contentRule, ContentRule::class.java)
+        }
+    }
+
+}
\ No newline at end of file