diff --git a/cmd/gui/renderer/app.js b/cmd/gui/renderer/app.js
index 6f21fb9..679353e 100644
--- a/cmd/gui/renderer/app.js
+++ b/cmd/gui/renderer/app.js
@@ -1094,6 +1094,10 @@ function rtTrailPush(g, kind, label, short) {
 function renderRuntimePanel() {
   var title = __("运行态", "Runtime");
   var rt = state.runtime;
+  // 工具格的滑入动画只在「新到一条工具调用」那一次播放：overview 是整块
+  // innerHTML 重建，节点每次都是新的；若无条件带动画类，任何重渲染都会闪一下。
+  var toolFlash = !!state.toolFlash;
+  state.toolFlash = false;
   if (!rt) {
     return (
       '<div class="card"><h2>' + title + '</h2><p class="rt-empty">' +
@@ -1133,22 +1137,44 @@ function renderRuntimePanel() {
     var items = (state.stageTrail || []).filter(function (t) {
       return (t.g | 0) === i;
     });
-    var body = items.length
-      ? items
-          .map(function (t) {
-            var kind = t.kind || "stage";
-            var ico =
-              kind === "output" ? RT_ICO.out : kind === "tool" ? RT_ICO.tool : "";
-            return (
-              '<span class="rt-chip rt-chip-' + kind + '" title="' +
-              escHtml(t.label) + '">' + ico +
-              escHtml(t.short || t.label) +
-              (t.n > 1 ? '<i class="rt-chip-n">x' + t.n + "</i>" : "") +
-              "</span>"
-            );
-          })
-          .join("")
-      : '<span class="rt-chip rt-chip-none">' + __("无", "none") + "</span>";
+    // 「工具」是循环格：一轮里可能调几十次工具/输出通道，全部追加会把这一格
+    // 撑成长条，反而看不出「现在在调什么」。只留**最新一条**，右侧给本轮累计
+    // 次数（与 WebUI 同一口径，见 internal/plugins/webui/dashboard.js）。
+    var cls = "rt-pipe-events";
+    var body;
+    if (!items.length) {
+      body = '<span class="rt-chip rt-chip-none">' + __("无", "none") + "</span>";
+    } else if (s.loop) {
+      cls += " rt-pipe-scroll";
+      var total = 0;
+      for (var k = 0; k < items.length; k++) total += items[k].n || 1;
+      var latest = items[items.length - 1];
+      var lkind = latest.kind || "stage";
+      var lico = lkind === "output" ? RT_ICO.out : lkind === "tool" ? RT_ICO.tool : "";
+      body =
+        '<span class="rt-chip rt-chip-' + lkind + (toolFlash ? " rt-chip-enter" : "") +
+        '" title="' + escHtml(latest.label) + '">' + lico +
+        '<b class="rt-chip-t">' + escHtml(latest.short || latest.label) + "</b>" +
+        (latest.n > 1 ? '<i class="rt-chip-n">x' + latest.n + "</i>" : "") +
+        "</span>" +
+        '<i class="rt-scroll-count" title="' +
+        __("本轮工具调用累计次数", "tool calls this turn") + '">x' + total + "</i>";
+    } else {
+      body = items
+        .map(function (t) {
+          var kind = t.kind || "stage";
+          var ico =
+            kind === "output" ? RT_ICO.out : kind === "tool" ? RT_ICO.tool : "";
+          return (
+            '<span class="rt-chip rt-chip-' + kind + '" title="' +
+            escHtml(t.label) + '">' + ico +
+            '<b class="rt-chip-t">' + escHtml(t.short || t.label) + "</b>" +
+            (t.n > 1 ? '<i class="rt-chip-n">x' + t.n + "</i>" : "") +
+            "</span>"
+          );
+        })
+        .join("");
+    }
     return (
       '<div class="rt-pipe-cell' + (i === g ? " active" : "") + '">' +
       '<div class="rt-pipe-head">' + RT_ICO[s.ico] +
@@ -1158,7 +1184,7 @@ function renderRuntimePanel() {
           __("工具调用会回到行动后，可多次", "tool calls loop back; may repeat") +
           '">' + RT_ICO.loop + "</em>"
         : "") +
-      '</div><div class="rt-pipe-events">' + body + "</div></div>"
+      '</div><div class="' + cls + '">' + body + "</div></div>"
     );
   }).join("");
   html += "</div>";
@@ -5477,6 +5503,7 @@ async function connectFetchSSE(url) {
                   tool,
                   rtShortTool(tool),
                 );
+              if (tool) state.toolFlash = true;
               state.chatStage = __("工具调用: ", "Tool: ") + (tool || "");
               if (tool && (state.pendingTools || []).indexOf(tool) === -1) {
                 if (!state.pendingTools) state.pendingTools = [];
diff --git a/cmd/gui/renderer/style.css b/cmd/gui/renderer/style.css
index 75cfbd2..70e889a 100644
--- a/cmd/gui/renderer/style.css
+++ b/cmd/gui/renderer/style.css
@@ -2287,6 +2287,40 @@ td .switch {
   gap: 4px;
   min-height: 23px;
 }
+/* 「工具」格的滚动视口：固定一行高，只露最新一条（与 WebUI 同一口径）。 */
+.rt-pipe-scroll {
+  flex-wrap: nowrap;
+  height: 23px;
+  min-height: 23px;
+  overflow: hidden;
+  align-items: center;
+}
+.rt-pipe-scroll .rt-chip {
+  flex: 0 1 auto;
+  min-width: 0;
+  max-width: none;
+}
+.rt-chip-enter {
+  animation: rt-chip-scroll-in 0.3s var(--ease-out);
+}
+@keyframes rt-chip-scroll-in {
+  from {
+    transform: translateY(115%);
+    opacity: 0;
+  }
+  to {
+    transform: translateY(0);
+    opacity: 1;
+  }
+}
+.rt-scroll-count {
+  flex: 0 0 auto;
+  margin-left: auto;
+  font-style: normal;
+  font-size: 10.5px;
+  opacity: 0.6;
+  font-variant-numeric: tabular-nums;
+}
 .rt-loop {
   display: inline-flex;
   color: var(--accent);
@@ -2308,6 +2342,13 @@ td .switch {
   border: 1px solid var(--border-color);
   color: var(--text-secondary);
 }
+.rt-chip-t {
+  font-weight: inherit;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
 .rt-chip-tool {
   border-color: rgba(136, 192, 208, 0.42);
   color: var(--frost-300);
diff --git a/cmd/ohos/HomeAgent/entry/src/main/ets/components/RuntimePanel.ets b/cmd/ohos/HomeAgent/entry/src/main/ets/components/RuntimePanel.ets
index f587a71..a7f6cbf 100644
--- a/cmd/ohos/HomeAgent/entry/src/main/ets/components/RuntimePanel.ets
+++ b/cmd/ohos/HomeAgent/entry/src/main/ets/components/RuntimePanel.ets
@@ -11,6 +11,8 @@ import {
 
 /** 四级中断 + 排队的配色：与 WebUI 总览同一套（级别色贯穿框头、槽位、描边） */
 const LV_COLORS: string[] = ['#A3BE8C', '#4A90D9', '#0A59F7', '#FFA657', '#FF5C7A'];
+/** 阶段管道里的「工具」格（循环格）：一轮内可能调几十次，只露最新一条 */
+const TOOL_GROUP: number = 2;
 /** 索引 = lv（0 排队 / 1 L1 / 2 L2 / 3 L3 / 4 L4） */
 function lvColor(lv: number): string {
   if (lv < 0 || lv > 4) {
@@ -86,6 +88,30 @@ export struct RuntimePanel {
     return out;
   }
 
+  /** 该阶段本轮事件的**最后一条**（最新）。没有则 undefined。 */
+  private latestEvent(group: number): StageEvent | undefined {
+    let out: StageEvent | undefined = undefined;
+    for (let i = 0; i < this.trail.length; i++) {
+      const e: StageEvent = this.trail[i];
+      if (e.group === group) {
+        out = e;
+      }
+    }
+    return out;
+  }
+
+  /** 该阶段本轮事件条数合计（同一工具连调会累加到 count 上） */
+  private totalCount(group: number): number {
+    let n: number = 0;
+    for (let i = 0; i < this.trail.length; i++) {
+      const e: StageEvent = this.trail[i];
+      if (e.group === group) {
+        n += e.count;
+      }
+    }
+    return n;
+  }
+
   @Builder
   tile(label: string, value: string, warn: boolean) {
     Column({ space: 2 }) {
@@ -128,30 +154,57 @@ export struct RuntimePanel {
       }
       .width('100%')
 
-      // 本阶段本轮发生的事件；没有就给一个弱化的「无」，让框不空着
+      // 本阶段本轮发生的事件；没有就给一个弱化的「无」，让框不空着。
+      //
+      // 「工具」格是循环格：一轮里可能调几十次工具/输出通道。把每一次都追加成
+      // 一行，这格会被撑成长条，反而看不出「现在在调什么」。所以它只保留**最新
+      // 一条**，右侧给本轮累计次数（与 WebUI/桌面版同一口径）。
       Column({ space: 3 }) {
-        ForEach(this.eventsOf(g.group), (e: StageEvent) => {
-          Row({ space: 3 }) {
-            Text(e.short)
-              .fontSize(9)
-              .fontColor(e.kind === 'output' ? this.palette().accent
-                : (e.kind === 'tool' ? COLOR_FROST_300 : this.palette().textSecondary))
-              .maxLines(1)
-              .textOverflow({ overflow: TextOverflow.Ellipsis })
-            if (e.count > 1) {
-              Text('x' + e.count.toString())
+        if (g.group === TOOL_GROUP) {
+          if (this.eventsOf(g.group).length > 0) {
+            Row({ space: 3 }) {
+              Text(this.latestEvent(g.group)?.short ?? '')
+                .fontSize(9)
+                .fontColor(this.latestEvent(g.group)?.kind === 'output' ? this.palette().accent
+                  : (this.latestEvent(g.group)?.kind === 'tool' ? COLOR_FROST_300 : this.palette().textSecondary))
+                .maxLines(1)
+                .textOverflow({ overflow: TextOverflow.Ellipsis })
+                .layoutWeight(1)
+              Text('x' + this.totalCount(g.group).toString())
                 .fontSize(9)
                 .fontColor(this.palette().textMuted)
             }
+            .width('100%')
+          } else {
+            Text('无')
+              .fontSize(9)
+              .fontColor(this.palette().textMuted)
+              .opacity(0.5)
           }
-          .width('100%')
-        }, (e: StageEvent, i: number) => i.toString() + ':' + e.short)
+        } else {
+          ForEach(this.eventsOf(g.group), (e: StageEvent) => {
+            Row({ space: 3 }) {
+              Text(e.short)
+                .fontSize(9)
+                .fontColor(e.kind === 'output' ? this.palette().accent
+                  : (e.kind === 'tool' ? COLOR_FROST_300 : this.palette().textSecondary))
+                .maxLines(1)
+                .textOverflow({ overflow: TextOverflow.Ellipsis })
+              if (e.count > 1) {
+                Text('x' + e.count.toString())
+                  .fontSize(9)
+                  .fontColor(this.palette().textMuted)
+              }
+            }
+            .width('100%')
+          }, (e: StageEvent, i: number) => i.toString() + ':' + e.short)
 
-        if (this.eventsOf(g.group).length === 0) {
-          Text('无')
-            .fontSize(9)
-            .fontColor(this.palette().textMuted)
-            .opacity(0.5)
+          if (this.eventsOf(g.group).length === 0) {
+            Text('无')
+              .fontSize(9)
+              .fontColor(this.palette().textMuted)
+              .opacity(0.5)
+          }
         }
       }
       .width('100%')