diff --git a/frontend/app.js b/frontend/app.js
index a19f3ad..8364bb1 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -1314,7 +1314,9 @@ handleDragLeave(e) {
       const expireDate = new Date(expiresAt);
       const now = new Date();
       const diffMs = expireDate - now;
-      const diffDays = Math.ceil(diffMs / (1000 * 60 * 60 * 24));
+      const diffMinutes = Math.floor(diffMs / (1000 * 60));
+      const diffHours = Math.floor(diffMs / (1000 * 60 * 60));
+      const diffDays = Math.floor(diffMs / (1000 * 60 * 60 * 24));
 
       // 格式化日期
       const dateStr = expireDate.toLocaleString('zh-CN', {
@@ -1325,10 +1327,12 @@ handleDragLeave(e) {
         minute: '2-digit'
       });
 
-      if (diffDays < 0) {
+      if (diffMs < 0) {
         return `已过期 (${dateStr})`;
-      } else if (diffDays === 0) {
-        return `今天过期 (${dateStr})`;
+      } else if (diffMinutes < 60) {
+        return `${diffMinutes}分钟后过期 (${dateStr})`;
+      } else if (diffHours < 24) {
+        return `${diffHours}小时后过期 (${dateStr})`;
       } else if (diffDays === 1) {
         return `明天过期 (${dateStr})`;
       } else if (diffDays <= 7) {
diff --git a/frontend/share.html b/frontend/share.html
index 972e84e..d9ef792 100644
--- a/frontend/share.html
+++ b/frontend/share.html
@@ -833,7 +833,9 @@
           const expireDate = new Date(expiresAt);
           const now = new Date();
           const diffMs = expireDate - now;
-          const diffDays = Math.ceil(diffMs / (1000 * 60 * 60 * 24));
+          const diffMinutes = Math.floor(diffMs / (1000 * 60));
+          const diffHours = Math.floor(diffMs / (1000 * 60 * 60));
+          const diffDays = Math.floor(diffMs / (1000 * 60 * 60 * 24));
 
           // 格式化日期
           const dateStr = expireDate.toLocaleString('zh-CN', {
@@ -844,10 +846,12 @@
             minute: '2-digit'
           });
 
-          if (diffDays < 0) {
+          if (diffMs < 0) {
             return `已过期 (${dateStr})`;
-          } else if (diffDays === 0) {
-            return `今天过期 (${dateStr})`;
+          } else if (diffMinutes < 60) {
+            return `${diffMinutes}分钟后过期 (${dateStr})`;
+          } else if (diffHours < 24) {
+            return `${diffHours}小时后过期 (${dateStr})`;
           } else if (diffDays === 1) {
             return `明天过期 (${dateStr})`;
           } else if (diffDays <= 7) {