diff --git a/app/src/main/java/io/legado/app/api/controller/BookSourceController.kt b/app/src/main/java/io/legado/app/api/controller/BookSourceController.kt
index 1d6a9d345..f6742bc31 100644
--- a/app/src/main/java/io/legado/app/api/controller/BookSourceController.kt
+++ b/app/src/main/java/io/legado/app/api/controller/BookSourceController.kt
@@ -8,6 +8,7 @@ import io.legado.app.data.entities.BookSource
 import io.legado.app.help.config.SourceConfig
 import io.legado.app.utils.GSON
 import io.legado.app.utils.fromJsonArray
+import io.legado.app.utils.fromJsonObject
 
 object BookSourceController {
 
@@ -23,7 +24,7 @@ object BookSourceController {
     fun saveSource(postData: String?): ReturnData {
         val returnData = ReturnData()
         postData ?: return returnData.setErrorMsg("数据不能为空")
-        val bookSource = BookSource.fromJson(postData).getOrNull()
+        val bookSource = GSON.fromJsonObject<BookSource>(postData).getOrNull()
         if (bookSource != null) {
             if (TextUtils.isEmpty(bookSource.bookSourceName) || TextUtils.isEmpty(bookSource.bookSourceUrl)) {
                 returnData.setErrorMsg("源名称和URL不能为空")
@@ -40,7 +41,7 @@ object BookSourceController {
     fun saveSources(postData: String?): ReturnData {
         postData ?: return ReturnData().setErrorMsg("数据为空")
         val okSources = arrayListOf<BookSource>()
-        val bookSources = BookSource.fromJsonArray(postData).getOrNull()
+        val bookSources = GSON.fromJsonArray<BookSource>(postData).getOrNull()
         if (bookSources.isNullOrEmpty()) {
             return ReturnData().setErrorMsg("转换源失败")
         }
diff --git a/app/src/main/java/io/legado/app/api/controller/RssSourceController.kt b/app/src/main/java/io/legado/app/api/controller/RssSourceController.kt
index 6df9c5b28..b60b8ae0f 100644
--- a/app/src/main/java/io/legado/app/api/controller/RssSourceController.kt
+++ b/app/src/main/java/io/legado/app/api/controller/RssSourceController.kt
@@ -5,6 +5,9 @@ import android.text.TextUtils
 import io.legado.app.api.ReturnData
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.RssSource
+import io.legado.app.utils.GSON
+import io.legado.app.utils.fromJsonArray
+import io.legado.app.utils.fromJsonObject
 
 object RssSourceController {
 
@@ -20,7 +23,7 @@ object RssSourceController {
     fun saveSource(postData: String?): ReturnData {
         val returnData = ReturnData()
         postData ?: return returnData.setErrorMsg("数据不能为空")
-        RssSource.fromJson(postData).onFailure {
+        GSON.fromJsonObject<RssSource>(postData).onFailure {
             returnData.setErrorMsg("转换源失败${it.localizedMessage}")
         }.onSuccess { source ->
             if (TextUtils.isEmpty(source.sourceName) || TextUtils.isEmpty(source.sourceUrl)) {
@@ -36,7 +39,7 @@ object RssSourceController {
     fun saveSources(postData: String?): ReturnData {
         postData ?: return ReturnData().setErrorMsg("数据不能为空")
         val okSources = arrayListOf<RssSource>()
-        val source = RssSource.fromJsonArray(postData).getOrNull()
+        val source = GSON.fromJsonArray<RssSource>(postData).getOrNull()
         if (source.isNullOrEmpty()) {
             return ReturnData().setErrorMsg("转换源失败")
         }
@@ -63,7 +66,7 @@ object RssSourceController {
 
     fun deleteSources(postData: String?): ReturnData {
         postData ?: return ReturnData().setErrorMsg("没有传递数据")
-        RssSource.fromJsonArray(postData).onFailure {
+        GSON.fromJsonArray<RssSource>(postData).onFailure {
             return ReturnData().setErrorMsg("格式不对")
         }.onSuccess {
             it.forEach { source ->
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 0abab30ac..ca1232f7f 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
@@ -7,11 +7,9 @@ import io.legado.app.constant.AppPattern
 import io.legado.app.constant.BookSourceType
 import io.legado.app.data.entities.rule.*
 import io.legado.app.utils.GSON
-import io.legado.app.utils.fromJsonArray
 import io.legado.app.utils.fromJsonObject
 import io.legado.app.utils.splitNotBlank
 import kotlinx.parcelize.Parcelize
-import java.io.InputStream
 
 @Suppress("unused")
 @Parcelize
@@ -220,22 +218,6 @@ data class BookSource(
 
     private fun equal(a: String?, b: String?) = a == b || (a.isNullOrEmpty() && b.isNullOrEmpty())
 
-    companion object {
-
-        fun fromJson(json: String): Result<BookSource> {
-            return GSON.fromJsonObject(json)
-        }
-
-        fun fromJsonArray(json: String): Result<List<BookSource>> {
-            return GSON.fromJsonArray(json)
-        }
-
-        fun fromJsonArray(inputStream: InputStream): Result<List<BookSource>> {
-            return GSON.fromJsonArray(inputStream)
-        }
-
-    }
-
     class Converters {
 
         @TypeConverter
diff --git a/app/src/main/java/io/legado/app/data/entities/RssSource.kt b/app/src/main/java/io/legado/app/data/entities/RssSource.kt
index 95184d7e6..6c87f1213 100644
--- a/app/src/main/java/io/legado/app/data/entities/RssSource.kt
+++ b/app/src/main/java/io/legado/app/data/entities/RssSource.kt
@@ -2,9 +2,12 @@ package io.legado.app.data.entities
 
 import android.os.Parcelable
 import android.text.TextUtils
-import androidx.room.*
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.Index
+import androidx.room.PrimaryKey
 import io.legado.app.constant.AppPattern
-import io.legado.app.utils.*
+import io.legado.app.utils.splitNotBlank
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
@@ -168,17 +171,4 @@ data class RssSource(
         }
     }
 
-    @Suppress("MemberVisibilityCanBePrivate")
-    companion object {
-
-        fun fromJson(json: String): Result<RssSource> {
-            return GSON.fromJsonObject(json)
-        }
-
-        fun fromJsonArray(jsonArray: String): Result<List<RssSource>> {
-            return GSON.fromJsonArray(jsonArray)
-        }
-
-    }
-
 }
diff --git a/app/src/main/java/io/legado/app/help/DefaultData.kt b/app/src/main/java/io/legado/app/help/DefaultData.kt
index 1d3079668..cc94b65b8 100644
--- a/app/src/main/java/io/legado/app/help/DefaultData.kt
+++ b/app/src/main/java/io/legado/app/help/DefaultData.kt
@@ -79,7 +79,7 @@ object DefaultData {
             appCtx.assets.open("defaultData${File.separator}rssSources.json")
                 .readBytes()
         )
-        RssSource.fromJsonArray(json).getOrDefault(emptyList())
+        GSON.fromJsonArray<RssSource>(json).getOrDefault(emptyList())
     }
 
     val coverRule: BookCover.CoverRule by lazy {
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
index c0388579b..3e148a97c 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceDialog.kt
@@ -191,7 +191,7 @@ class ImportBookSourceDialog() : BaseDialogFragment(R.layout.dialog_recycler_vie
 
     override fun onCodeSave(code: String, requestId: String?) {
         requestId?.toInt()?.let {
-            BookSource.fromJson(code).getOrNull()?.let { source ->
+            GSON.fromJsonObject<BookSource>(code).getOrNull()?.let { source ->
                 viewModel.allSources[it] = source
                 adapter.setItem(it, source)
             }
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceViewModel.kt
index 620c25254..ebc58ce36 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportBookSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportBookSourceViewModel.kt
@@ -99,16 +99,16 @@ class ImportBookSourceViewModel(app: Application) : BaseViewModel(app) {
                         val json = JsonPath.parse(mText)
                         json.read<List<String>>("$.sourceUrls")
                     }.onSuccess {
-                        it.forEach {
-                            importSourceUrl(it)
+                        it.forEach { url ->
+                            importSourceUrl(url)
                         }
                     }.onFailure {
-                        BookSource.fromJson(mText).getOrThrow().let {
+                        GSON.fromJsonObject<BookSource>(mText).getOrThrow().let {
                             allSources.add(it)
                         }
                     }
                 }
-                mText.isJsonArray() -> BookSource.fromJsonArray(mText).getOrThrow().let { items ->
+                mText.isJsonArray() -> GSON.fromJsonArray<BookSource>(mText).getOrThrow().let { items ->
                     allSources.addAll(items)
                 }
                 mText.isAbsUrl() -> {
@@ -117,7 +117,7 @@ class ImportBookSourceViewModel(app: Application) : BaseViewModel(app) {
                 mText.isUri() -> {
                     val uri = Uri.parse(mText)
                     uri.inputStream(context).getOrThrow().let {
-                        allSources.addAll(BookSource.fromJsonArray(it).getOrThrow())
+                        allSources.addAll(GSON.fromJsonArray<BookSource>(it).getOrThrow())
                     }
                 }
                 else -> throw NoStackTraceException(context.getString(R.string.wrong_format))
@@ -139,7 +139,7 @@ class ImportBookSourceViewModel(app: Application) : BaseViewModel(app) {
                 url(url)
             }
         }.byteStream().let {
-            allSources.addAll(BookSource.fromJsonArray(it).getOrThrow())
+            allSources.addAll(GSON.fromJsonArray<BookSource>(it).getOrThrow())
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
index eff9a6d18..8bd3650e5 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceDialog.kt
@@ -190,7 +190,7 @@ class ImportRssSourceDialog() : BaseDialogFragment(R.layout.dialog_recycler_view
 
     override fun onCodeSave(code: String, requestId: String?) {
         requestId?.toInt()?.let {
-            RssSource.fromJson(code).getOrNull()?.let { source ->
+            GSON.fromJsonObject<RssSource>(code).getOrNull()?.let { source ->
                 viewModel.allSources[it] = source
                 adapter.setItem(it, source)
             }
diff --git a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceViewModel.kt b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceViewModel.kt
index 51e421ab1..11b7695b3 100644
--- a/app/src/main/java/io/legado/app/ui/association/ImportRssSourceViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/association/ImportRssSourceViewModel.kt
@@ -98,13 +98,13 @@ class ImportRssSourceViewModel(app: Application) : BaseViewModel(app) {
                             importSourceUrl(it)
                         }
                     } else {
-                        RssSource.fromJsonArray(mText).getOrThrow().let {
+                        GSON.fromJsonArray<RssSource>(mText).getOrThrow().let {
                             allSources.addAll(it)
                         }
                     }
                 }
                 mText.isJsonArray() -> {
-                    RssSource.fromJsonArray(mText).getOrThrow().let {
+                    GSON.fromJsonArray<RssSource>(mText).getOrThrow().let {
                         allSources.addAll(it)
                     }
                 }
@@ -132,7 +132,7 @@ class ImportRssSourceViewModel(app: Application) : BaseViewModel(app) {
             val items: List<Map<String, Any>> = jsonPath.parse(body).read("$")
             for (item in items) {
                 val jsonItem = jsonPath.parse(item)
-                RssSource.fromJson(jsonItem.jsonString()).getOrThrow().let { source ->
+                GSON.fromJsonObject<RssSource>(jsonItem.jsonString()).getOrThrow().let { source ->
                     allSources.add(source)
                 }
             }
diff --git a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
index d0b268e75..8a5db5a83 100644
--- a/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditViewModel.kt
@@ -93,12 +93,12 @@ class BookSourceEditViewModel(application: Application) : BaseViewModel(applicat
             text.isJsonArray() -> {
                 val items: List<Map<String, Any>> = jsonPath.parse(text).read("$")
                 val jsonItem = jsonPath.parse(items[0])
-                BookSource.fromJson(jsonItem.jsonString()).getOrElse {
+                GSON.fromJsonObject<BookSource>(jsonItem.jsonString()).getOrElse {
                     ImportOldData.fromOldBookSource(jsonItem)
                 }
             }
             text.isJsonObject() -> {
-                BookSource.fromJson(text).getOrElse {
+                GSON.fromJsonObject<BookSource>(text).getOrElse {
                     val jsonItem = jsonPath.parse(text)
                     ImportOldData.fromOldBookSource(jsonItem)
                 }
diff --git a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt
index 74a3696fc..98632b9b1 100644
--- a/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/source/edit/RssSourceEditViewModel.kt
@@ -9,11 +9,8 @@ import io.legado.app.data.entities.RssSource
 import io.legado.app.exception.NoStackTraceException
 import io.legado.app.help.RuleComplete
 import io.legado.app.help.http.CookieStore
-import io.legado.app.utils.getClipText
-import io.legado.app.utils.printOnDebug
-import io.legado.app.utils.stackTraceStr
+import io.legado.app.utils.*
 
-import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.Dispatchers
 
 
@@ -57,7 +54,7 @@ class RssSourceEditViewModel(application: Application) : BaseViewModel(applicati
         execute(context = Dispatchers.Main) {
             var source: RssSource? = null
             context.getClipText()?.let { json ->
-                source = RssSource.fromJson(json).getOrThrow()
+                source = GSON.fromJsonObject<RssSource>(json).getOrThrow()
             }
             source
         }.onError {
@@ -74,7 +71,7 @@ class RssSourceEditViewModel(application: Application) : BaseViewModel(applicati
     fun importSource(text: String, finally: (source: RssSource) -> Unit) {
         execute {
             val text1 = text.trim()
-            RssSource.fromJson(text1).getOrThrow().let {
+            GSON.fromJsonObject<RssSource>(text1).getOrThrow().let {
                 finally.invoke(it)
             }
         }.onError {