diff --git a/resources/js/chat-room/user-card.js b/resources/js/chat-room/user-card.js
index 1b94e77..7698ff7 100644
--- a/resources/js/chat-room/user-card.js
+++ b/resources/js/chat-room/user-card.js
@@ -121,6 +121,17 @@ export function userCardComponent() {
                 return operatorPositionRank >= targetPositionRank;
             },
 
+            /** 格式化私信记录时间，只保留到秒。 */
+            formatWhisperTime(value) {
+                if (!value) {
+                    return "";
+                }
+
+                const normalizedValue = String(value).replace("T", " ").replace(/\.\d+Z?$/, "").replace(/Z$/, "");
+
+                return normalizedValue.slice(0, 19);
+            },
+
             /** 返回名片资产字段的中文名称。 */
             assetValueLabel(asset) {
                 return {
diff --git a/resources/views/chat/partials/user-actions.blade.php b/resources/views/chat/partials/user-actions.blade.php
index 84308ed..96ae587 100644
--- a/resources/views/chat/partials/user-actions.blade.php
+++ b/resources/views/chat/partials/user-actions.blade.php
@@ -572,7 +572,7 @@
                         <span style="color: #6366f1;" x-text="w.from_user"></span>
                         → <span style="color: #059669;" x-text="w.to_user"></span>：
                         <span x-text="w.content"></span>
-                        <span style="color: #aaa; font-size: 10px;" x-text="'(' + w.sent_at + ')'"></span>
+                        <span style="color: #aaa; font-size: 10px;" x-text="'(' + formatWhisperTime(w.sent_at) + ')'"></span>
                     </div>
                 </template>
                 <div x-show="whisperList.length === 0" style="font-size: 11px; color: #aaa;">暂无悄悄话记录</div>