diff --git a/HISTORY.md b/HISTORY.md
index 56bd8ed0..eeee3c4f 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,6 +1,6 @@
 ## 更新日誌
 
-### v1.3.8.13-kitkat
+### v1.3.8.14-kitkat
 
 * 優化樣式
 
diff --git a/app/src/main/java/com/lizongying/mytv0/MainViewModel.kt b/app/src/main/java/com/lizongying/mytv0/MainViewModel.kt
index 627378fb..7161f8f7 100644
--- a/app/src/main/java/com/lizongying/mytv0/MainViewModel.kt
+++ b/app/src/main/java/com/lizongying/mytv0/MainViewModel.kt
@@ -13,6 +13,8 @@ import com.lizongying.mytv0.Utils.getDateFormat
 import com.lizongying.mytv0.Utils.getUrls
 import com.lizongying.mytv0.bodyAlias
 import com.lizongying.mytv0.codeAlias
+import com.lizongying.mytv0.data.Global.gson
+import com.lizongying.mytv0.data.Global.typeTvList
 import com.lizongying.mytv0.data.Source
 import com.lizongying.mytv0.data.SourceType
 import com.lizongying.mytv0.data.TV
@@ -312,8 +314,7 @@ class MainViewModel : ViewModel() {
         when (string[0]) {
             '[' -> {
                 try {
-                    val type = object : com.google.gson.reflect.TypeToken<List<TV>>() {}.type
-                    list = com.google.gson.Gson().fromJson(string, type)
+                    list = gson.fromJson(string, typeTvList)
                     Log.i(TAG, "导入频道 ${list.size}")
                 } catch (e: Exception) {
                     Log.i(TAG, "parse error $string")
diff --git a/app/src/main/java/com/lizongying/mytv0/SP.kt b/app/src/main/java/com/lizongying/mytv0/SP.kt
index 1d869f31..26d5104d 100644
--- a/app/src/main/java/com/lizongying/mytv0/SP.kt
+++ b/app/src/main/java/com/lizongying/mytv0/SP.kt
@@ -4,8 +4,8 @@ package com.lizongying.mytv0
 import android.content.Context
 import android.content.SharedPreferences
 import android.util.Log
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
+import com.lizongying.mytv0.data.Global.gson
+import com.lizongying.mytv0.data.Global.typeSourceList
 import com.lizongying.mytv0.data.Source
 import io.github.lizongying.Gua
 
@@ -93,11 +93,12 @@ object SP {
             .use {
                 val str = it.readText()
                 if (str.isNotEmpty()) {
-                    DEFAULT_SOURCES = Gson().toJson(Gua().decode(str).trim().split("\n").map { i ->
-                        Source(
-                            uri = i
-                        )
-                    }, object : TypeToken<List<Source>>() {}.type
+                    DEFAULT_SOURCES = gson.toJson(
+                        Gua().decode(str).trim().split("\n").map { i ->
+                            Source(
+                                uri = i
+                            )
+                        }, typeSourceList
                     ) ?: ""
                 }
             }
diff --git a/app/src/main/java/com/lizongying/mytv0/SimpleServer.kt b/app/src/main/java/com/lizongying/mytv0/SimpleServer.kt
index f02bfdd4..ea31e1db 100644
--- a/app/src/main/java/com/lizongying/mytv0/SimpleServer.kt
+++ b/app/src/main/java/com/lizongying/mytv0/SimpleServer.kt
@@ -9,9 +9,9 @@ import android.net.Uri
 import android.os.Handler
 import android.os.Looper
 import android.util.Log
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
 import com.lizongying.mytv0.Utils.getUrls
+import com.lizongying.mytv0.data.Global.gson
+import com.lizongying.mytv0.data.Global.typeSourceList
 import com.lizongying.mytv0.data.ReqSettings
 import com.lizongying.mytv0.data.ReqSourceAdd
 import com.lizongying.mytv0.data.ReqSources
@@ -30,7 +30,6 @@ import java.nio.charset.StandardCharsets
 class SimpleServer(private val context: Context, private val viewModel: MainViewModel) :
     NanoHTTPD(PORT) {
     private val handler = Handler(Looper.getMainLooper())
-    private val gson = Gson()
 
     init {
         try {
@@ -72,8 +71,7 @@ class SimpleServer(private val context: Context, private val viewModel: MainView
 
             if (!SP.sources.isNullOrEmpty()) {
                 try {
-                    val type = object : TypeToken<List<Source>>() {}.type
-                    val sources: List<Source> = gson.fromJson(SP.sources!!, type)
+                    val sources: List<Source> = gson.fromJson(SP.sources!!, typeSourceList)
                     history = sources.toMutableList()
                 } catch (e: Exception) {
                     e.printStackTrace()
diff --git a/app/src/main/java/com/lizongying/mytv0/Utils.kt b/app/src/main/java/com/lizongying/mytv0/Utils.kt
index d021c485..27748cc1 100644
--- a/app/src/main/java/com/lizongying/mytv0/Utils.kt
+++ b/app/src/main/java/com/lizongying/mytv0/Utils.kt
@@ -5,11 +5,11 @@ import android.util.Log
 import android.util.TypedValue
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
-import com.google.gson.Gson
 import com.lizongying.mytv0.ISP.CHINA_MOBILE
 import com.lizongying.mytv0.ISP.CHINA_TELECOM
 import com.lizongying.mytv0.ISP.CHINA_UNICOM
 import com.lizongying.mytv0.ISP.UNKNOWN
+import com.lizongying.mytv0.data.Global.gson
 import com.lizongying.mytv0.requests.HttpClient
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -111,7 +111,7 @@ object Utils {
                 HttpClient.okHttpClient.newCall(request).execute().use { response ->
                     if (!response.isSuccessful) return@withContext UNKNOWN
                     val string = response.bodyAlias()?.string()
-                    val isp = Gson().fromJson(string, IpInfo::class.java).location.isp_domain
+                    val isp = gson.fromJson(string, IpInfo::class.java).location.isp_domain
                     when (isp) {
                         "ChinaMobile" -> CHINA_MOBILE
                         "ChinaUnicom" -> CHINA_UNICOM
diff --git a/app/src/main/java/com/lizongying/mytv0/data/Global.kt b/app/src/main/java/com/lizongying/mytv0/data/Global.kt
new file mode 100644
index 00000000..b7b30358
--- /dev/null
+++ b/app/src/main/java/com/lizongying/mytv0/data/Global.kt
@@ -0,0 +1,12 @@
+package com.lizongying.mytv0.data
+
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+
+object Global {
+    val gson = Gson()
+
+    val typeTvList = object : TypeToken<List<TV>>() {}.type
+
+    val typeSourceList = object : TypeToken<List<Source>>() {}.type
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/lizongying/mytv0/models/Sources.kt b/app/src/main/java/com/lizongying/mytv0/models/Sources.kt
index cdc2f619..5cfd6658 100644
--- a/app/src/main/java/com/lizongying/mytv0/models/Sources.kt
+++ b/app/src/main/java/com/lizongying/mytv0/models/Sources.kt
@@ -3,14 +3,12 @@ package com.lizongying.mytv0.models
 import android.util.Log
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
-import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
 import com.lizongying.mytv0.SP
+import com.lizongying.mytv0.data.Global.gson
+import com.lizongying.mytv0.data.Global.typeSourceList
 import com.lizongying.mytv0.data.Source
 
 class Sources {
-    private val type = object : TypeToken<List<Source>>() {}.type
-    private val gson = Gson()
     var version = 0
 
     private val _removed = MutableLiveData<Pair<Int, Int>>()
@@ -59,7 +57,7 @@ class Sources {
 
     private fun setSources(sources: List<Source>) {
         _sources.value = sources
-        SP.sources = gson.toJson(sources, type) ?: ""
+        SP.sources = gson.toJson(sources, typeSourceList) ?: ""
     }
 
     fun addSource(source: Source) {
@@ -73,7 +71,7 @@ class Sources {
 
             _checked.value = 0
             setSourceChecked(checkedValue, true)
-            SP.sources = gson.toJson(sourcesValue, type) ?: ""
+            SP.sources = gson.toJson(sourcesValue, typeSourceList) ?: ""
 
             _changed.value = version
             version++
@@ -91,7 +89,7 @@ class Sources {
             _sources.value = sourcesValue.toMutableList().apply {
                 removeAt(index)
             }
-            SP.sources = gson.toJson(sourcesValue, type) ?: ""
+            SP.sources = gson.toJson(sourcesValue, typeSourceList) ?: ""
 
             _removed.value = Pair(index, version)
             version++
@@ -117,7 +115,7 @@ class Sources {
     fun init() {
         if (!SP.sources.isNullOrEmpty()) {
             try {
-                val sources: List<Source> = gson.fromJson(SP.sources!!, type)
+                val sources: List<Source> = gson.fromJson(SP.sources!!, typeSourceList)
                 setSources(sources.map { it.apply { checked = false } })
             } catch (e: Exception) {
                 e.printStackTrace()
diff --git a/version.json b/version.json
index 530481fa..cb7aabbd 100644
--- a/version.json
+++ b/version.json
@@ -1 +1 @@
-{"version_code": 16975885, "version_name": "v1.3.8.13-kitkat"}
+{"version_code": 16975886, "version_name": "v1.3.8.14-kitkat"}