diff --git a/src/zh/picacomic/build.gradle b/src/zh/picacomic/build.gradle
index ef58c6feb..960c6770f 100644
--- a/src/zh/picacomic/build.gradle
+++ b/src/zh/picacomic/build.gradle
@@ -6,7 +6,7 @@ ext {
     extName = 'Picacomic'
     pkgNameSuffix = 'zh.picacomic'
     extClass = '.Picacomic'
-    extVersionCode = 3
+    extVersionCode = 4
     isNsfw = true
 }
 
diff --git a/src/zh/picacomic/src/eu/kanade/tachiyomi/extension/zh/picacomic/Picacomic.kt b/src/zh/picacomic/src/eu/kanade/tachiyomi/extension/zh/picacomic/Picacomic.kt
index e62713e7e..cfb3af379 100644
--- a/src/zh/picacomic/src/eu/kanade/tachiyomi/extension/zh/picacomic/Picacomic.kt
+++ b/src/zh/picacomic/src/eu/kanade/tachiyomi/extension/zh/picacomic/Picacomic.kt
@@ -30,6 +30,7 @@ import org.json.JSONObject
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.net.URLEncoder
+import java.nio.charset.Charset
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -100,7 +101,7 @@ class Picacomic : HttpSource(), ConfigurableSource {
             )
         }
 
-        val payload = parts[1]?.let { JSONObject(String(Base64.decode(it, Base64.DEFAULT))) }
+        val payload = parts[1]?.let { JSONObject(Base64.decode(it, Base64.DEFAULT).toString(Charsets.UTF_8)) }
 
         val exp = payload?.getLong("exp")?.let {
             Date(it * 1000)