diff --git a/src/zh/jinmantiantang/build.gradle b/src/zh/jinmantiantang/build.gradle
index 0ddb4e405..114b236b5 100644
--- a/src/zh/jinmantiantang/build.gradle
+++ b/src/zh/jinmantiantang/build.gradle
@@ -1,7 +1,7 @@
 ext {
     extName = 'Jinman Tiantang'
     extClass = '.Jinmantiantang'
-    extVersionCode = 41
+    extVersionCode = 42
     isNsfw = true
 }
 
diff --git a/src/zh/jinmantiantang/src/eu/kanade/tachiyomi/extension/zh/jinmantiantang/Jinmantiantang.kt b/src/zh/jinmantiantang/src/eu/kanade/tachiyomi/extension/zh/jinmantiantang/Jinmantiantang.kt
index cdfec4234..4b2feaba9 100644
--- a/src/zh/jinmantiantang/src/eu/kanade/tachiyomi/extension/zh/jinmantiantang/Jinmantiantang.kt
+++ b/src/zh/jinmantiantang/src/eu/kanade/tachiyomi/extension/zh/jinmantiantang/Jinmantiantang.kt
@@ -80,7 +80,7 @@ class Jinmantiantang : ParsedHttpSource(), ConfigurableSource {
         title = children[1].text()
         setUrlWithoutDomain(children[0].selectFirst("a")!!.attr("href"))
         val img = children[0].selectFirst("img")!!
-        thumbnail_url = img.attr("data-original").ifEmpty { img.attr("src") }.substringBeforeLast('?')
+        thumbnail_url = img.extractThumbnailUrl().substringBeforeLast('?')
         author = children[2].select("a").joinToString(", ") { it.text() }
         genre = children[3].select("a").joinToString(", ") { it.text() }
     }
@@ -166,7 +166,7 @@ class Jinmantiantang : ParsedHttpSource(), ConfigurableSource {
     override fun mangaDetailsParse(document: Document): SManga = SManga.create().apply {
         title = document.selectFirst("h1")!!.text()
         // keep thumbnail_url same as the one in popularMangaFromElement()
-        thumbnail_url = document.selectFirst(".thumb-overlay > img")!!.attr("src").substringBeforeLast('.') + "_3x4.jpg"
+        thumbnail_url = document.selectFirst(".thumb-overlay > img")!!.extractThumbnailUrl().substringBeforeLast('.') + "_3x4.jpg"
         author = selectAuthor(document)
         genre = selectDetailsStatusAndGenre(document, 0).trim().split(" ").joinToString(", ")
 
@@ -176,6 +176,15 @@ class Jinmantiantang : ParsedHttpSource(), ConfigurableSource {
         description = document.selectFirst("#intro-block .p-t-5.p-b-5")!!.text().substringAfter("敘述：").trim()
     }
 
+    private fun Element.extractThumbnailUrl(): String {
+        return when {
+            hasAttr("data-original") -> attr("data-original")
+            hasAttr("src") -> attr("src")
+            hasAttr("data-cfsrc") -> attr("data-cfsrc")
+            else -> ""
+        }
+    }
+
     // 查询作者信息
     private fun selectAuthor(document: Document): String {
         val element = document.select("div.panel-body div.tag-block")[3]