diff --git a/app/src/config/exportConfig.ts b/app/src/config/exportConfig.ts
index 39d21b5f2..0eacd4730 100644
--- a/app/src/config/exportConfig.ts
+++ b/app/src/config/exportConfig.ts
@@ -83,7 +83,7 @@ export const exportConfig = {
     <div class="fn__hr"></div>
     <input class="b3-text-field fn__block" id="pdfWatermarkStr">
     <div class="fn__hr"></div>
-    <div class="b3-label__text">${window.siyuan.languages.export29}</div>
+    <div class="b3-label__text"><a href="https://pdfcpu.io/core/watermark#description" target="_blank">${window.siyuan.languages.export29}</a></div>
     <div class="fn__hr"></div>
     <textarea class="b3-text-field fn__block" id="pdfWatermarkDesc"></textarea>
 </div>
diff --git a/app/src/protyle/render/av/cell.ts b/app/src/protyle/render/av/cell.ts
index cbd96eced..1cc96e743 100644
--- a/app/src/protyle/render/av/cell.ts
+++ b/app/src/protyle/render/av/cell.ts
@@ -322,9 +322,6 @@ export const popTextCell = (protyle: IProtyle, cellElements: HTMLElement[], type
         }
         if (type === "block") {
             inputElement.addEventListener("input", (event: InputEvent) => {
-                if (event.isComposing) {
-                    return;
-                }
                 if (Constants.BLOCK_HINT_KEYS.includes(inputElement.value.substring(0, 2))) {
                     protyle.toolbar.range = document.createRange();
                     protyle.toolbar.range.selectNodeContents(cellElements[0].lastChild);
diff --git a/kernel/av/av.go b/kernel/av/av.go
index c2999ca16..93b5bb015 100644
--- a/kernel/av/av.go
+++ b/kernel/av/av.go
@@ -281,7 +281,7 @@ func SaveAttributeView(av *AttributeView) (err error) {
 		}
 	}
 
-	data, err := gulu.JSON.MarshalIndentJSON(av, "", "\t") // TODO: single-line for production
+	data, err := gulu.JSON.MarshalJSON(av)
 	if nil != err {
 		logging.LogErrorf("marshal attribute view [%s] failed: %s", av.ID, err)
 		return
diff --git a/kernel/model/box.go b/kernel/model/box.go
index e3f8dc435..d914060fe 100644
--- a/kernel/model/box.go
+++ b/kernel/model/box.go
@@ -501,8 +501,6 @@ func FullReindex() {
 	task.AppendTask(task.DatabaseIndexFull, fullReindex)
 	task.AppendTask(task.DatabaseIndexRef, IndexRefs)
 	task.AppendTask(task.ReloadUI, util.ReloadUI)
-
-	// TODO ReindexAssetContent()
 }
 
 func fullReindex() {
diff --git a/kernel/server/serve.go b/kernel/server/serve.go
index 3a3698201..89092040b 100644
--- a/kernel/server/serve.go
+++ b/kernel/server/serve.go
@@ -80,11 +80,6 @@ func Serve(fastMode bool) {
 	serveRepoDiff(ginServer)
 	api.ServeAPI(ginServer)
 
-	// TODO 升级后结束旧内核进程
-	//if !fastMode && "prod" == util.Mode && util.ContainerStd == util.Container {
-	//	killRunningKernel()
-	//}
-
 	var host string
 	if model.Conf.System.NetworkServe || util.ContainerDocker == util.Container {
 		host = "0.0.0.0"