diff --git a/pluto-kotlin-client-sdk/build.gradle b/pluto-kotlin-client-sdk/build.gradle
index bc4dcb0..9cf8586 100644
--- a/pluto-kotlin-client-sdk/build.gradle
+++ b/pluto-kotlin-client-sdk/build.gradle
@@ -4,8 +4,8 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'maven-publish'
 
 buildscript {
-    ext.versionCode = 23
-    ext.versionName = '0.8.4'
+    ext.versionCode = 24
+    ext.versionName = '0.8.5'
 }
 
 android {
diff --git a/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+Auth.kt b/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+Auth.kt
index 85c7b83..6acfc52 100644
--- a/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+Auth.kt
+++ b/pluto-kotlin-client-sdk/src/main/java/com/mushare/plutosdk/Pluto+Auth.kt
@@ -53,7 +53,8 @@ fun Pluto.refreshAccessToken(
             ) {
                 val plutoResponse = response.body()
                 if (plutoResponse == null) {
-                    error?.invoke(parseErrorCodeFromErrorBody(response.errorBody(), gson))
+                    val plutoError = parseErrorCodeFromErrorBody(response.errorBody(), gson)
+                    error?.invoke(plutoError)
                     return
                 }
                 plutoResponse.analysis(