diff --git a/kernel/model/ai.go b/kernel/model/ai.go
index 0cdc03e56..85757f7de 100644
--- a/kernel/model/ai.go
+++ b/kernel/model/ai.go
@@ -48,6 +48,12 @@ func ChatGPTWithAction(ids []string, action string) (ret string) {
 var cachedContextMsg []string
 
 func chatGPT(msg string, cloud bool) (ret string) {
+	if "Clear context" == strings.TrimSpace(msg) {
+		// AI clear context action https://github.com/siyuan-note/siyuan/issues/10255
+		cachedContextMsg = nil
+		return
+	}
+
 	ret, retCtxMsgs, err := chatGPTContinueWrite(msg, cachedContextMsg, cloud)
 	if nil != err {
 		return
@@ -58,6 +64,12 @@ func chatGPT(msg string, cloud bool) (ret string) {
 
 func chatGPTWithAction(msg string, action string, cloud bool) (ret string) {
 	action = strings.TrimSpace(action)
+	if "Clear context" == action {
+		// AI clear context action https://github.com/siyuan-note/siyuan/issues/10255
+		cachedContextMsg = nil
+		return
+	}
+
 	if "" != action {
 		msg = action + ":\n\n" + msg
 	}