diff --git a/kernel/go.mod b/kernel/go.mod
index 64ea492b9..41c86cf2e 100644
--- a/kernel/go.mod
+++ b/kernel/go.mod
@@ -56,7 +56,7 @@ require (
 	github.com/siyuan-note/filelock v0.0.0-20231211015131-3b3dfabdce9c
 	github.com/siyuan-note/httpclient v0.0.0-20231219001541-d75e4dce39fa
 	github.com/siyuan-note/logging v0.0.0-20231208035918-61f884c854f0
-	github.com/siyuan-note/riff v0.0.0-20231221011852-241358ff96df
+	github.com/siyuan-note/riff v0.0.0-20231222032533-1f1b309dbc08
 	github.com/spf13/cast v1.6.0
 	github.com/steambap/captcha v1.4.1
 	github.com/studio-b12/gowebdav v0.9.0
diff --git a/kernel/go.sum b/kernel/go.sum
index 3ff1b934b..9cf702a35 100644
--- a/kernel/go.sum
+++ b/kernel/go.sum
@@ -366,8 +366,8 @@ github.com/siyuan-note/httpclient v0.0.0-20231219001541-d75e4dce39fa h1:kfWxJzNP
 github.com/siyuan-note/httpclient v0.0.0-20231219001541-d75e4dce39fa/go.mod h1:ejS8ChupXGP89C8N4nM+xhyxVVf/IfcwOXboql6o3+g=
 github.com/siyuan-note/logging v0.0.0-20231208035918-61f884c854f0 h1:+XjUr9UMXsczdO2bGA72p/k9wa2ShPb8ybi7CDBJ7HQ=
 github.com/siyuan-note/logging v0.0.0-20231208035918-61f884c854f0/go.mod h1:6mRFtAAvYPn3cDzqvyv+t8BVPGqpONDMMb5ywOhY1D4=
-github.com/siyuan-note/riff v0.0.0-20231221011852-241358ff96df h1:v/lE1SBL4wd0cAbhr+o2GAdafBQhhikKauCSKGCkO6M=
-github.com/siyuan-note/riff v0.0.0-20231221011852-241358ff96df/go.mod h1:wLzj67jwt8PM+qWPGlC4V7m0fzkUlkwPKf9vLF6ru/k=
+github.com/siyuan-note/riff v0.0.0-20231222032533-1f1b309dbc08 h1:vPZqpEIT8gqtFM23FHbxhaCeCzccHB/KFR7OEZfAt0U=
+github.com/siyuan-note/riff v0.0.0-20231222032533-1f1b309dbc08/go.mod h1:wLzj67jwt8PM+qWPGlC4V7m0fzkUlkwPKf9vLF6ru/k=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.7 h1:I6tZjLXD2Q1kjvNbIzB1wvQBsXmKXiVrhpRE8ZjP5jY=
diff --git a/kernel/model/flashcard.go b/kernel/model/flashcard.go
index c8f60bc3d..ce4217837 100644
--- a/kernel/model/flashcard.go
+++ b/kernel/model/flashcard.go
@@ -29,7 +29,6 @@ import (
 	"github.com/88250/gulu"
 	"github.com/88250/lute/ast"
 	"github.com/88250/lute/parse"
-	"github.com/open-spaced-repetition/go-fsrs"
 	"github.com/siyuan-note/filelock"
 	"github.com/siyuan-note/logging"
 	"github.com/siyuan-note/riff"
@@ -1020,17 +1019,18 @@ func getDeckDueCards(deck *riff.Deck, reviewedCardIDs, blockIDs []string, newCar
 			continue
 		}
 
-		fsrsCard := c.Impl().(*fsrs.Card)
-		if fsrs.New == fsrsCard.State {
-			newCount++
+		if riff.New == c.GetState() {
 			if newCount > newCardLimit {
 				continue
 			}
+
+			newCount++
 		} else {
-			reviewCount++
 			if reviewCount > reviewCardLimit {
 				continue
 			}
+
+			reviewCount++
 		}
 
 		if 0 < len(reviewedCardIDs) {