fix: 修复“敬请期待”展示问题

.claude/settings.local.json

@@ -35,7 +35,10 @@
       "mcp__code-review-graph__build_or_update_graph_tool",
       "mcp__code-review-graph__semantic_search_nodes_tool",
       "mcp__code-review-graph__query_graph_tool",
-      "mcp__code-review-graph__detect_changes_tool"
+      "mcp__code-review-graph__detect_changes_tool",
+      "Bash(cd \"/e/00项目/T_碳信网/code/txw/txw-mhzc-web\" && grep -nE \"closeAll|^\\\\s*close|export\\\\s+\\(function|const\\)\\\\s+close\" node_modules/tdesign-vue/es/message/index.js node_modules/tdesign-vue/es/message/plugin.js 2>/dev/null | head -30)",
+      "Read(//e/e/00项目/T_碳信网/code/txw/txw-mhzc-web/node_modules/tdesign-vue/es/message/**)",
+      "Bash(cd \"/e/00项目/T_碳信网/code/txw/txw-mhzc-web\" && cat node_modules/tdesign-vue/es/message/index.d.ts 2>/dev/null)"
     ]
   },
   "enableAllProjectMcpServers": true,

.gitignore

@@ -1,4 +1,5 @@
 # Compiled class file
+.claude
 *.class
 target
 classes

txw-mhzc-web/src/pages/index/utils/coming-soon-mixin.js

@@ -1,13 +1,31 @@
+// 用 Symbol 存"敬请期待"当前实例引用，避免被 Vue 响应式系统代理，也避免污染可枚举属性
+const COMING_SOON_INSTANCE = Symbol('comingSoonInstance')
+
 export default {
   methods: {
+    /**
+     * 显示"敬请期待"提示，做组件级单例：
+     * 屏幕上同一时刻最多只有一个；连点时关掉旧的再开新的，旧的自动消失。
+     * @message 是 TDesign 的 MessagePlugin（main.js 里挂到 Vue.prototype.$message），
+     * info() 返回 Promise<messageInstance>，实例有 close()。
+     */
     showComingSoon() {
-      if (this._comingSoonLock) return
-      this._comingSoonLock = true
-      this.$message.info(String.fromCharCode(25964,35831,26399,24453))
-      setTimeout(function() { this._comingSoonLock = false }, 2000)
+      const prev = this[COMING_SOON_INSTANCE]
+      if (prev) {
+        prev.close()
+        this[COMING_SOON_INSTANCE] = null
       }
+      this.$message.info('敬请期待').then((instance) => {
+        this[COMING_SOON_INSTANCE] = instance
+      })
+    },
   },
   beforeDestroy() {
-    this._comingSoonLock = false
+    // 离页前关掉，避免跳页后残留
+    const instance = this[COMING_SOON_INSTANCE]
+    if (instance) {
+      instance.close()
+      this[COMING_SOON_INSTANCE] = null
+    }
+  },
 }
-};