diff --git a/utils/src/main/kotlin/cn/tursom/utils/Tools.kt b/utils/src/main/kotlin/cn/tursom/utils/Tools.kt
index cc39111..4fb931a 100644
--- a/utils/src/main/kotlin/cn/tursom/utils/Tools.kt
+++ b/utils/src/main/kotlin/cn/tursom/utils/Tools.kt
@@ -24,7 +24,7 @@ val prettyGson = GsonBuilder()
   .create()
 
 fun Any.toJson(): String = gson.toJson(this)
-fun Any.toPrettyJson(): String = gson.toJson(this)
+fun Any.toPrettyJson(): String = prettyGson.toJson(this)
 inline fun <reified T : Any> String.fromJson(): T = gson.fromJson(this, T::class.java)
 
 inline fun <reified T : Any> Gson.fromJson(json: String) = this.fromJson(json, T::class.java)!!