diff --git a/frameworks/ets/ani/src/sts_subscribe.cpp b/frameworks/ets/ani/src/sts_subscribe.cpp
index a3b06074c0070d1057634b4d46a594c702be01e1..ef8e5b2d1917f20d6051c15ac4725da14e0c68c0 100644
--- a/frameworks/ets/ani/src/sts_subscribe.cpp
+++ b/frameworks/ets/ani/src/sts_subscribe.cpp
@@ -791,10 +791,13 @@ bool UnWarpNotificationKey(ani_env *env, const ani_object obj, NotificationKey &
     }
     OutObj.id = static_cast<int32_t>(idInt);
     std::string label;
-    if (GetPropertyString(env, obj, "label", isUndefined, label) != ANI_OK || isUndefined == ANI_TRUE) {
+    if (GetPropertyString(env, obj, "label", isUndefined, label) != ANI_OK) {
         ANS_LOGD("UnWarpNotificationKey GetPropertyString label fail");
         return false;
     }
+    if (isUndefined == ANI_TRUE) {
+        return true;
+    }
     OutObj.label = GetResizeStr(label, STR_MAX_SIZE);
     ANS_LOGD("UnWarpNotificationKey id: %{public}d, label: %{public}s", OutObj.id, OutObj.label.c_str());
     return true;
diff --git a/frameworks/ets/ets/@ohos.notificationManager.ets b/frameworks/ets/ets/@ohos.notificationManager.ets
index 4113d28a6855834179fbe3b6c6df7cdad0c94fc7..29c001dc874ddf4b88d38cd88aba6d1298fb1ea8 100644
--- a/frameworks/ets/ets/@ohos.notificationManager.ets
+++ b/frameworks/ets/ets/@ohos.notificationManager.ets
@@ -1587,9 +1587,6 @@ export default namespace notificationManager {
     }
 
     export function cancel(id: int, label?: string): Promise<void> {
-        if (label == null || label?.length === 0) {
-            throw errorParamInvalid;
-        }
         let pPromise = new Promise<void>((resolve: ResolveCallback<void>, reject: RejectCallback): void => {
             let p = taskpool.execute((): void => { nativeCancelWithIdOptionalLabel(id, label); });
             p.then((data: NullishType): void => {