diff --git a/web/hwlab-cloud-web/src/components/tasktree/TaskTreeDetailPanel.vue b/web/hwlab-cloud-web/src/components/tasktree/TaskTreeDetailPanel.vue
index e9c2addd..be4b6ab9 100644
--- a/web/hwlab-cloud-web/src/components/tasktree/TaskTreeDetailPanel.vue
+++ b/web/hwlab-cloud-web/src/components/tasktree/TaskTreeDetailPanel.vue
@@ -56,7 +56,7 @@ const combinedMarkdown = computed(() => {
 });
 
 function plainTitle(task: TaskTreeTask) {
-  return task.title.replace(/\[([^\]]+)\]\([^)]+\)/gu, "$1").replace(/`([^`]+)`/gu, "$1").trim();
+  return task.title.replace(/^R\d+(?:\.\d+){0,2}\s+/u, "").replace(/\[([^\]]+)\]\([^)]+\)/gu, "$1").replace(/`([^`]+)`/gu, "$1").trim();
 }
 function plainReportTitle(report: TaskTreeReport) {
   return report.title.replace(/\[([^\]]+)\]\([^)]+\)/gu, "$1").replace(/`([^`]+)`/gu, "$1").trim();
diff --git a/web/hwlab-cloud-web/src/views/projects/TaskTreeView.vue b/web/hwlab-cloud-web/src/views/projects/TaskTreeView.vue
index 061037a3..9fe59623 100644
--- a/web/hwlab-cloud-web/src/views/projects/TaskTreeView.vue
+++ b/web/hwlab-cloud-web/src/views/projects/TaskTreeView.vue
@@ -357,6 +357,7 @@ function tickClass(date: Date) {
   };
 }
 function statusLabel(status: string) { return ({ pending: "待处理", in_progress: "进行中", completed: "已完成", blocked: "阻塞" } as Record<string, string>)[status] || status; }
+function displayTaskTitle(task: TaskTreeTask) { return task.title.replace(/^R\d+(?:\.\d+){0,2}\s+/u, ""); }
 function taskKindLabel(kind: TaskTreeTask["kind"]) { return ({ task: "Task", subtask: "Subtask", subsubtask: "Subsubtask" })[kind]; }
 function plainTaskTitle(task: TaskTreeTask | null) {
   return String(task?.title || "任务详情").replace(/\[([^\]]+)\]\([^)]+\)/gu, "$1").replace(/`([^`]+)`/gu, "$1").trim();
@@ -462,9 +463,9 @@ function syncSelectedTaskFromRoute() {
                   </button>
                   <span v-else class="tasktree-disclosure-spacer" aria-hidden="true" />
                   <div class="tasktree-title" role="button" tabindex="0" @click="selectTaskFromTitle($event, root)" @keydown.enter="selectTask(root)">
-                    <span class="tasktree-status" :data-status="root.status" />
                     <span class="tasktree-outline-ref">{{ root.outlineRef }}</span>
-                    <MessageMarkdown class="tasktree-title-markdown" :source="root.title" />
+                    <span class="tasktree-status" :data-status="root.status" />
+                    <MessageMarkdown class="tasktree-title-markdown" :source="displayTaskTitle(root)" />
                   </div>
                 </div>
                 <div
@@ -490,9 +491,9 @@ function syncSelectedTaskFromRoute() {
                     </button>
                     <span v-else class="tasktree-disclosure-spacer" aria-hidden="true" />
                     <div class="tasktree-title" role="button" tabindex="0" @click="selectTaskFromTitle($event, task)" @keydown.enter="selectTask(task)">
-                      <span class="tasktree-status" :data-status="task.status" />
                       <span class="tasktree-outline-ref">{{ task.outlineRef }}</span>
-                      <MessageMarkdown class="tasktree-title-markdown" :source="task.title" />
+                      <span class="tasktree-status" :data-status="task.status" />
+                      <MessageMarkdown class="tasktree-title-markdown" :source="displayTaskTitle(task)" />
                     </div>
                   </div>
                 </div>
@@ -619,7 +620,7 @@ function syncSelectedTaskFromRoute() {
 .tasktree-label { height: 46px; border-bottom: 1px solid #edf0ef; background: #fff; padding: 0 8px; display: flex; align-items: center; color: var(--text-primary); min-width: 0; }
 .tasktree-task-group > .tasktree-label { background: #f7f9f8; font-weight: 600; }
 .tasktree-label:hover { background: #f2f7f5; }
-.tasktree-outline-ref { flex: 0 0 auto; color: #587078; font-family: var(--console-font-mono); font-size: 11px; font-weight: 700; }
+.tasktree-outline-ref { box-sizing: border-box; flex: 0 0 7ch; padding-right: 8px; border-right: 1px solid #dce4e3; color: #52676d; font-family: var(--console-font-mono); font-size: 11px; font-weight: 700; line-height: 18px; text-align: right; font-variant-numeric: tabular-nums; }
 .tasktree-label.subtask { padding-left: 30px; color: var(--text-secondary); }
 .tasktree-label.subsubtask { padding-left: 54px; color: var(--text-secondary); }
 .tasktree-group-label { height: 68px; padding: 9px 14px; display: grid; align-content: center; gap: 5px; cursor: pointer; }
@@ -630,7 +631,7 @@ function syncSelectedTaskFromRoute() {
 .tasktree-disclosure-spacer { width: 24px; height: 28px; flex: 0 0 24px; }
 .tasktree-disclosure { display: grid; place-items: center; padding: 0; border: 0; background: transparent; color: var(--text-secondary); cursor: pointer; }
 .tasktree-disclosure:hover { color: var(--text-primary); background: var(--surface-secondary); }
-.tasktree-title { display: flex; flex: 1 1 auto; align-items: center; gap: 8px; min-width: 0; height: 100%; padding: 0 4px; color: inherit; text-align: left; cursor: pointer; }
+.tasktree-title { display: flex; flex: 1 1 auto; align-items: center; gap: 7px; min-width: 0; height: 100%; padding: 0 4px; color: inherit; text-align: left; cursor: pointer; }
 .tasktree-title:focus-visible { outline: 2px solid #2376c9; outline-offset: -2px; }
 .tasktree-title-markdown { min-width: 0; overflow: hidden; }
 .tasktree-title-markdown :deep(p) { min-width: 0; margin: 0; overflow: hidden; font: inherit; text-overflow: ellipsis; white-space: nowrap; }