diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt
index 43a3a1beb..1abda77d3 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.kt
@@ -41,6 +41,7 @@ import com.hippo.ehviewer.client.parser.GalleryNotAvailableParser
 import com.hippo.ehviewer.client.parser.GalleryPageApiParser
 import com.hippo.ehviewer.client.parser.GalleryPageParser
 import com.hippo.ehviewer.client.parser.GalleryTokenApiParser
+import com.hippo.ehviewer.client.parser.HomeParser
 import com.hippo.ehviewer.client.parser.ProfileParser
 import com.hippo.ehviewer.client.parser.RateGalleryParser
 import com.hippo.ehviewer.client.parser.SignInParser
@@ -760,7 +761,7 @@ object EhEngine {
     }
 
     @Throws(Throwable::class)
-    suspend fun getFunds(): ArchiveParser.Funds? {
+    suspend fun getFunds(): HomeParser.Funds {
         val url = EhUrl.URL_FUNDS
         Log.d(TAG, url)
         val request = EhRequestBuilder(url, null).build()
@@ -773,7 +774,7 @@ object EhEngine {
                 code = response.code
                 headers = response.headers
                 body = response.body.string()
-                return ArchiveParser.parseFunds(body!!)
+                return HomeParser.parseFunds(body!!)
             }
         } catch (e: Throwable) {
             ExceptionUtils.throwIfFatal(e)
diff --git a/app/src/main/java/com/hippo/ehviewer/client/parser/ArchiveParser.kt b/app/src/main/java/com/hippo/ehviewer/client/parser/ArchiveParser.kt
index ce37500da..1696717b4 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/parser/ArchiveParser.kt
+++ b/app/src/main/java/com/hippo/ehviewer/client/parser/ArchiveParser.kt
@@ -23,8 +23,6 @@ object ArchiveParser {
         Regex("<strong>(.*)</strong>.*<a href=\"([^\"]*)\">Click Here To Start Downloading</a>")
     private val PATTERN_CURRENT_FUNDS =
         Regex("<p>([\\d,]+) GP \\[[^]]*] &nbsp; ([\\d,]+) Credits \\[[^]]*]</p>")
-    private val PATTERN_FUNDS =
-        Regex("Available: ([\\d,]+) Credits.*Available: ([\\d,]+) kGP", RegexOption.DOT_MATCHES_ALL)
     private val PATTERN_HATH_FORM =
         Regex("<form id=\"hathdl_form\" action=\"[^\"]*?or=([^=\"]*?)\" method=\"post\">")
     private val PATTERN_HATH_ARCHIVE =
@@ -61,7 +59,7 @@ object ArchiveParser {
         PATTERN_CURRENT_FUNDS.find(body)?.groupValues?.run {
             val fundsGP = ParserUtils.parseInt(get(1), 0)
             val fundsC = ParserUtils.parseInt(get(2), 0)
-            val funds = Funds(fundsGP, fundsC)
+            val funds = HomeParser.Funds(fundsGP, fundsC)
             result.funds = funds
         }
         return result
@@ -75,14 +73,6 @@ object ArchiveParser {
         // TODO: Check more errors
     }
 
-    fun parseFunds(body: String): Funds? {
-        return PATTERN_FUNDS.find(body)?.groupValues?.run {
-            val fundsC = ParserUtils.parseInt(get(1), 0)
-            val fundsGP = ParserUtils.parseInt(get(2), 0) * 1000
-            return Funds(fundsGP, fundsC)
-        }
-    }
-
     class Archive(
         val res: String,
         val name: String,
@@ -91,7 +81,5 @@ object ArchiveParser {
         val isHAtH: Boolean
     )
 
-    class Funds(var fundsGP: Int, var fundsC: Int)
-
-    class Result(val paramOr: String?, val archiveList: List<Archive>, var funds: Funds?)
+    class Result(val paramOr: String?, val archiveList: List<Archive>, var funds: HomeParser.Funds?)
 }
diff --git a/app/src/main/java/com/hippo/ehviewer/client/parser/HomeParser.kt b/app/src/main/java/com/hippo/ehviewer/client/parser/HomeParser.kt
new file mode 100644
index 000000000..f17829ac6
--- /dev/null
+++ b/app/src/main/java/com/hippo/ehviewer/client/parser/HomeParser.kt
@@ -0,0 +1,19 @@
+package com.hippo.ehviewer.client.parser
+
+import com.hippo.ehviewer.client.exception.ParseException
+
+object HomeParser {
+    private val PATTERN_FUNDS =
+        Regex("Available: ([\\d,]+) Credits.*Available: ([\\d,]+) kGP", RegexOption.DOT_MATCHES_ALL)
+
+    fun parseFunds(body: String): Funds {
+        PATTERN_FUNDS.find(body)?.groupValues?.run {
+            val fundsC = ParserUtils.parseInt(get(1), 0)
+            val fundsGP = ParserUtils.parseInt(get(2), 0) * 1000
+            return Funds(fundsGP, fundsC)
+        }
+        throw ParseException("Parse funds error", body)
+    }
+
+    data class Funds(val fundsGP: Int, val fundsC: Int)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt
index 23ca3d3cd..2494e00fd 100755
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryDetailScene.kt
@@ -78,6 +78,7 @@ import com.hippo.ehviewer.client.data.GalleryTagGroup
 import com.hippo.ehviewer.client.data.ListUrlBuilder
 import com.hippo.ehviewer.client.exception.NoHAtHClientException
 import com.hippo.ehviewer.client.parser.ArchiveParser
+import com.hippo.ehviewer.client.parser.HomeParser
 import com.hippo.ehviewer.client.parser.ParserUtils
 import com.hippo.ehviewer.client.parser.RateGalleryParser
 import com.hippo.ehviewer.client.parser.TorrentParser
@@ -149,7 +150,7 @@ class GalleryDetailScene : CollapsingToolbarScene(), View.OnClickListener, Downl
     }
     private var mArchiveFormParamOr: String? = null
     private var mArchiveList: List<ArchiveParser.Archive>? = null
-    private var mCurrentFunds: ArchiveParser.Funds? = null
+    private var mCurrentFunds: HomeParser.Funds? = null
 
     @State
     private var mState = STATE_INIT
@@ -1459,7 +1460,7 @@ class GalleryDetailScene : CollapsingToolbarScene(), View.OnClickListener, Downl
             }
         }
 
-        private fun bind(data: List<ArchiveParser.Archive>?, funds: ArchiveParser.Funds?) {
+        private fun bind(data: List<ArchiveParser.Archive>?, funds: HomeParser.Funds?) {
             if (null == mDialog || null == mProgressView || null == mErrorText || null == mListView) {
                 return
             }
@@ -1511,11 +1512,7 @@ class GalleryDetailScene : CollapsingToolbarScene(), View.OnClickListener, Downl
                     val cost = ParserUtils.parseInt(
                         mArchiveList!![position].cost.removeSuffix("GP").removeSuffix("Credits"), 0
                     )
-                    if (cost <= mCurrentFunds!!.fundsGP) {
-                        mCurrentFunds!!.fundsGP -= cost
-                    } else if (cost <= mCurrentFunds!!.fundsC) {
-                        mCurrentFunds!!.fundsC -= cost
-                    } else {
+                    if (cost > maxOf(mCurrentFunds!!.fundsGP, mCurrentFunds!!.fundsC)) {
                         showTip(R.string.insufficient_funds, LENGTH_SHORT)
                         return
                     }