diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index 206d4f31d..dae4aa859 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -423,7 +423,7 @@
   "addAttr": "Add",
   "addTag": "Add Tag",
   "width": "Width",
-  "attrName": "Key",
+  "attrName": "Attribute name",
   "attr": "Attribute",
   "updatePath": "Change dir",
   "default": "Default",
diff --git a/app/appearance/langs/es_ES.json b/app/appearance/langs/es_ES.json
index 2deac54f6..d7fd2ff8e 100644
--- a/app/appearance/langs/es_ES.json
+++ b/app/appearance/langs/es_ES.json
@@ -423,7 +423,7 @@
   "addAttr": "Añadir",
   "addTag": "Añadir etiqueta",
   "width": "Ancho",
-  "attrName": "Clave",
+  "attrName": "Nombre del atributo",
   "attr": "Atributo",
   "updatePath": "Cambiar directorio",
   "default": "Por defecto",
diff --git a/app/appearance/langs/fr_FR.json b/app/appearance/langs/fr_FR.json
index e6948e5df..9287b5a9d 100644
--- a/app/appearance/langs/fr_FR.json
+++ b/app/appearance/langs/fr_FR.json
@@ -423,7 +423,7 @@
   "addAttr": "Ajouter",
   "addTag": "Ajouter Tag",
   "width": "Largeur",
-  "attrName": "Key",
+  "attrName": "Nom de l'attribut",
   "attr": "Attribut",
   "updatePath": "modifier le répertoire",
   "default": "Default",
diff --git a/app/src/menus/commonMenuItem.ts b/app/src/menus/commonMenuItem.ts
index 6f220ba2c..f596bd909 100644
--- a/app/src/menus/commonMenuItem.ts
+++ b/app/src/menus/commonMenuItem.ts
@@ -310,7 +310,7 @@ export const openFileAttr = (attrs: IObject, id: string, focusName = "bookmark")
                 name = "custom-" + (item.parentElement.querySelector(".b3-text-field") as HTMLInputElement).value;
             }
             if (item.value.trim()) {
-                if (!/^[0-9a-zA-Z\-]*$/.test(name.replace("custom-", "")) || name === "custom-") {
+                if (!/^custom-[_.\-0-9a-zA-Z]+$/.test(name)) {
                     errorTip += name.replace("custom-", "") + ", ";
                     return;
                 }
@@ -381,7 +381,7 @@ export const openAttr = (nodeElement: Element, protyle: IProtyle, focusName = "b
                     name = "custom-" + (item.parentElement.querySelector(".b3-text-field") as HTMLInputElement).value;
                 }
                 if (item.value.trim()) {
-                    if (!/^[0-9a-zA-Z\-]*$/.test(name.replace("custom-", "")) || name === "custom-") {
+                    if (!/^custom-[_.\-0-9a-zA-Z]+$/.test(name)) {
                         errorTip += name.replace("custom-", "") + ", ";
                         return;
                     }
diff --git a/kernel/model/assets.go b/kernel/model/assets.go
index 9dbc95741..afb13ef36 100644
--- a/kernel/model/assets.go
+++ b/kernel/model/assets.go
@@ -729,6 +729,10 @@ func assetsLinkDestsInTree(tree *parse.Tree) (ret []string) {
 				return ast.WalkContinue
 			}
 
+			if !strings.Contains(n.TextMarkFileAnnotationRefID, "/") {
+				return ast.WalkContinue
+			}
+
 			dest := n.TextMarkFileAnnotationRefID[:strings.LastIndexByte(n.TextMarkFileAnnotationRefID, '/')]
 			dest = strings.TrimSpace(dest)
 			ret = append(ret, dest)