diff --git a/app/src/card/makeCard.ts b/app/src/card/makeCard.ts
index bf7e44290..6d474ddfa 100644
--- a/app/src/card/makeCard.ts
+++ b/app/src/card/makeCard.ts
@@ -68,7 +68,6 @@ export const makeCard = (app: App, ids: string[]) => {
 </div>`,
         });
         dialog.element.setAttribute("data-key", "makeCard");
-        dialog.element.style.zIndex = "200";
         dialog.element.addEventListener("click", (event) => {
             let target = event.target as HTMLElement;
             while (target && !target.isSameNode(dialog.element)) {
diff --git a/app/src/card/openCard.ts b/app/src/card/openCard.ts
index 0b98bcd42..14e9b98e0 100644
--- a/app/src/card/openCard.ts
+++ b/app/src/card/openCard.ts
@@ -149,7 +149,6 @@ export const bindCardEvent = (options: {
             });
         });
     }
-    (options.element.firstElementChild as HTMLElement).style.zIndex = "200";
     options.element.setAttribute("data-key", window.siyuan.config.keymap.general.riffCard.custom);
     const countElement = options.element.querySelector('[data-type="count"]');
     const actionElements = options.element.querySelectorAll(".card__action");
diff --git a/app/src/card/viewCards.ts b/app/src/card/viewCards.ts
index 36ee206b8..63f4aa300 100644
--- a/app/src/card/viewCards.ts
+++ b/app/src/card/viewCards.ts
@@ -76,7 +76,6 @@ export const viewCards = (app: App, deckID: string, title: string, deckType: "Tr
         if (response.data.pageCount > 1) {
             nextElement.removeAttribute("disabled");
         }
-        dialog.element.style.zIndex = "200";
         dialog.element.setAttribute("data-key", "viewCards");
         dialog.element.addEventListener("click", (event) => {
             if (typeof event.detail === "string") {