diff --git a/src/zh/copymanga/build.gradle b/src/zh/copymanga/build.gradle
index a25ff0826..bf89bf575 100644
--- a/src/zh/copymanga/build.gradle
+++ b/src/zh/copymanga/build.gradle
@@ -5,7 +5,7 @@ ext {
     extName = 'CopyManga'
     pkgNameSuffix = 'zh.copymanga'
     extClass = '.CopyManga'
-    extVersionCode = 4
+    extVersionCode = 5
     libVersion = '1.2'
 }
 apply from: "$rootDir/common.gradle"
diff --git a/src/zh/copymanga/src/eu/kanade/tachiyomi/extension/zh/copymanga/CopyManga.kt b/src/zh/copymanga/src/eu/kanade/tachiyomi/extension/zh/copymanga/CopyManga.kt
index 9342ffae3..0f9d52821 100644
--- a/src/zh/copymanga/src/eu/kanade/tachiyomi/extension/zh/copymanga/CopyManga.kt
+++ b/src/zh/copymanga/src/eu/kanade/tachiyomi/extension/zh/copymanga/CopyManga.kt
@@ -23,12 +23,13 @@ import org.json.JSONObject
 import org.jsoup.nodes.Element
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import java.time.LocalDate
-import java.time.ZoneId
-import java.time.format.DateTimeFormatter
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
 import javax.crypto.Cipher
 import javax.crypto.spec.IvParameterSpec
 import javax.crypto.spec.SecretKeySpec
+import kotlin.collections.ArrayList
 
 class CopyManga : ConfigurableSource, HttpSource() {
 
@@ -346,9 +347,13 @@ class CopyManga : ConfigurableSource, HttpSource() {
         return bytes
     }
 
-    private fun stringToUnixTimestamp(string: String, pattern: String = "yyyy-MM-dd", timeZone: String = "CTT"): Long {
-        val date = LocalDate.parse(string, DateTimeFormatter.ofPattern(pattern))
-        return date.atStartOfDay(ZoneId.of(timeZone)).toInstant().epochSecond
+    private fun stringToUnixTimestamp(string: String, pattern: String = "yyyy-MM-dd", locale: Locale = Locale.CHINA): Long {
+        return try {
+            val time = SimpleDateFormat(pattern, locale).parse(string)?.time
+            if (time != null) time / 1000 else Date().time / 1000
+        } catch (ex: Exception) {
+            Date().time / 1000
+        }
     }
 
     // thanks to unpacker toolsite, http://matthewfl.com/unPacker.html