diff --git a/resources/assets/js/components/AIAssistant/index.vue b/resources/assets/js/components/AIAssistant/index.vue
index 9f4de1a26..06290af45 100644
--- a/resources/assets/js/components/AIAssistant/index.vue
+++ b/resources/assets/js/components/AIAssistant/index.vue
@@ -1,5 +1,6 @@
 <template>
     <AssistantModal
+        ref="assistantModal"
         v-model="showModal"
         :displayMode="displayMode"
         :shouldCreateNewSession="shouldCreateNewSession"
@@ -147,7 +148,7 @@
                         v-if="response.rawOutput"
                         class="ai-assistant-output-markdown no-dark-content"
                         :text="response.displayOutput || response.rawOutput"
-                        :before-navigate="() => { showModal = false }"/>
+                        :before-navigate="onMarkdownNavigate"/>
                     <div v-else class="ai-assistant-output-placeholder">
                         {{ response.status === 'error' ? (response.error || $L('发送失败')) : $L('等待 AI 回复...') }}
                     </div>
@@ -689,6 +690,18 @@ export default {
             }
         },
 
+        /**
+         * 点击 AI 回复内链接导航前的处理，策略委托给 AssistantModal.prepareForNavigate
+         */
+        onMarkdownNavigate() {
+            const modal = this.$refs.assistantModal;
+            if (modal && typeof modal.prepareForNavigate === 'function') {
+                modal.prepareForNavigate();
+            } else {
+                this.showModal = false;
+            }
+        },
+
         /**
          * 输入框键盘事件：回车发送，Shift+回车换行，上下键切换历史
          * 注意：输入法组合输入时（如中文候选字）不发送
diff --git a/resources/assets/js/components/AIAssistant/modal.vue b/resources/assets/js/components/AIAssistant/modal.vue
index f0e167f5a..4aa81ac11 100644
--- a/resources/assets/js/components/AIAssistant/modal.vue
+++ b/resources/assets/js/components/AIAssistant/modal.vue
@@ -576,6 +576,25 @@ export default {
             });
         },
 
+        /**
+         * 点击 AI 回复内链接导航前的处理（统一策略）：
+         * - modal 模式：一律关闭（居中弹窗会挡住目标）
+         * - chat 模式 + 移动端：关闭（全屏会挡住目标）
+         * - chat 模式 + 桌面端全屏：退出全屏，保留浮窗以便继续对话
+         * - chat 模式 + 桌面端非全屏：保持打开
+         */
+        prepareForNavigate() {
+            if (this.displayMode !== 'chat') {
+                this.$emit('input', false);
+                return;
+            }
+            if (this.isMobile) {
+                this.$emit('input', false);
+            } else if (this.isFullscreen) {
+                this.isFullscreen = false;
+            }
+        },
+
         /**
          * 关闭：直接关闭浮窗（不区分显示模式），由外部控制 visible 变为 false
          */
diff --git a/resources/assets/js/pages/manage/components/DialogMarkdown.vue b/resources/assets/js/pages/manage/components/DialogMarkdown.vue
index 7ba49cbb0..5d35617b9 100644
--- a/resources/assets/js/pages/manage/components/DialogMarkdown.vue
+++ b/resources/assets/js/pages/manage/components/DialogMarkdown.vue
@@ -125,6 +125,7 @@ export default {
 
             switch (type) {
                 case 'task':
+                    this.beforeNavigate?.();
                     this.$store.dispatch('openTask', { id: (numId2 && numId2 > 0) ? numId2 : numId });
                     break;
 
@@ -149,12 +150,14 @@ export default {
                     break;
 
                 case 'contact':
+                    this.beforeNavigate?.();
                     this.$store.dispatch('openDialogUserid', numId).catch(({ msg }) => {
                         $A.modalError(msg);
                     });
                     break;
 
                 case 'message':
+                    this.beforeNavigate?.();
                     this.$store.dispatch('openDialog', numId).then(() => {
                         if (numId2) {
                             this.$store.state.dialogSearchMsgId = numId2;
@@ -175,10 +178,8 @@ export default {
             if (!match || !isDeepLinkId(match[1])) {
                 return;
             }
-            // 移动端浮窗全屏会遮挡目标页，需收起；桌面端为侧浮窗，保留以便继续对话
-            if (this.$store.state.windowPortrait) {
-                this.beforeNavigate?.();
-            }
+            // 导航策略统一交给 beforeNavigate（移动端关闭、桌面端全屏退全屏、桌面端非全屏保留）
+            this.beforeNavigate?.();
             openDeepLink(match[1]);
         },