diff --git a/inventory-web/src/views/stock/stocktake/index.vue b/inventory-web/src/views/stock/stocktake/index.vue
index 51d3df8..0548af4 100644
--- a/inventory-web/src/views/stock/stocktake/index.vue
+++ b/inventory-web/src/views/stock/stocktake/index.vue
@@ -31,6 +31,21 @@
             请先选择公司
           </el-button>
 
+          <!-- ★ 探测失败：不提供进入按钮，避免误开新会话 -->
+          <template v-else-if="probeFailed">
+            <div class="probe-failed">
+              ⚠️ 无法确认是否有进行中的盘点，请检查网络后重试
+            </div>
+            <el-button
+                type="primary"
+                size="large"
+                class="action-btn-full"
+                @click="checkServerDraft"
+            >
+              重新检测
+            </el-button>
+          </template>
+
           <!-- 场景 A：该公司已有进行中的盘点 → 绿色「加入」 -->
           <template v-else-if="activeSession">
             <el-button
@@ -549,6 +564,9 @@ const companyOptions = ref<string[]>([])
 const companyLoading = ref(false)
 // 该公司的活跃会话：{ session_id, total, last_scan_time }；无进行中的盘点则为 null
 const activeSession = ref<{ session_id: string; total: number; last_scan_time: string | null } | null>(null)
+// ★ 探测失败标记：网络抖动时绝不能把「没查到」当成「没有盘点」——
+//   否则界面会退回「开始新盘点」，库管一点就新建会话，把多人协同拆开
+const probeFailed = ref(false)
 
 const isSuperAdmin = computed(() => userStore.role === 'SUPER_ADMIN')
 
@@ -740,6 +758,7 @@ const handleCompanyChange = async (val: string) => {
   clearPersistedSession()
   activeSession.value = null
   serverDraftCount.value = 0
+  probeFailed.value = false
   persistCompany(val)
   await checkServerDraft()
 }
@@ -759,9 +778,11 @@ const checkServerDraft = async () => {
         ? { session_id: data.session_id, total: data.total || 0, last_scan_time: data.last_scan_time || null }
         : null
     serverDraftCount.value = data.total || 0
+    probeFailed.value = false
   } catch (e) {
-    activeSession.value = null
-    serverDraftCount.value = 0
+    // ★ 探测失败 ≠ 没有盘点。保持 activeSession 不变并把界面切到「重试」，
+    //   宁可挡住也不能让库管误开新会话。
+    probeFailed.value = true
   }
 }
 
@@ -1428,6 +1449,13 @@ const goToVarianceReview = () => {
   color: #909399;
   text-align: center;
 }
+/* 探测失败提示 */
+.probe-failed {
+  font-size: 13px;
+  color: #e6a23c;
+  text-align: center;
+  line-height: 1.5;
+}
 /* 场景 A 的进度提示与次要入口 */
 .active-session-tip {
   font-size: 12px;