diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index ef2a104..84b1fe5 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -56,14 +56,14 @@
     .node-notes { font-size:.75rem; color:var(--text-dim); font-style:italic; margin-bottom:8px }
     /* 横版布局 — 左设备信息 | 右数据+图表同行 */
     #sentinel-grid.layout-row { display:flex;flex-direction:column;gap:12px }
-    #sentinel-grid.layout-row .node-card { display:grid;grid-template-columns:200px 1fr;gap:8px 16px;align-items:start }
+    #sentinel-grid.layout-row .node-card { display:grid;grid-template-columns:180px 1fr;gap:8px 16px;align-items:start }
     #sentinel-grid.layout-row .col-left { min-width:0 }
     #sentinel-grid.layout-row .col-right-stack { display:flex;flex-direction:column;gap:2px;min-width:0 }
     #sentinel-grid.layout-row .mtr { display:flex;align-items:center;gap:12px;height:36px;padding:0 8px;border-bottom:1px solid var(--md-sys-color-surface-container-lowest) }
     #sentinel-grid.layout-row .mtr-data { flex:1;min-width:0;white-space:nowrap }
     #sentinel-grid.layout-row .mtr-data .rlabel { font-size:.7rem;color:var(--text-dim);text-transform:uppercase;margin-right:6px }
     #sentinel-grid.layout-row .mtr-data .rval { font-weight:600 }
-    #sentinel-grid.layout-row .mtr canvas { border-radius:3px;background:var(--md-sys-color-surface-container-lowest);flex-shrink:0 }
+    #sentinel-grid.layout-row .mtr canvas { border-radius:3px;background:var(--md-sys-color-surface-container-lowest);flex-shrink:1;max-width:180px;min-width:100px }
     #sentinel-grid.layout-row .node-time { margin-top:4px }
     #sentinel-grid.layout-row .metric-bar { display:none }
     .metric-row { display:flex; gap:12px; margin-bottom:8px }
@@ -190,9 +190,9 @@
                 '<div class="node-time"></div>'+
               '</div>'+
               '<div class="col-right-stack">'+
-                '<div class="mtr" id="mtr-'+id+'-cpu"><div class="mtr-data"><span class="rlabel">CPU</span> <span class="rval cpu-val">0%</span></div><canvas id="'+id+'-cpu" width="180" height="36"></canvas></div>'+
-                '<div class="mtr" id="mtr-'+id+'-mem"><div class="mtr-data"><span class="rlabel">MEM</span> <span class="rval mem-val">0%</span> <span class="mem-row-detail" style="font-size:.65rem;color:var(--text-dim)"></span></div><canvas id="'+id+'-mem" width="180" height="36"></canvas></div>'+
-                '<div class="mtr" id="mtr-'+id+'-net"><div class="mtr-data"><span class="rlabel">NET</span> <span class="rval net-down" style="font-size:.85rem">0</span> <span class="rval net-up" style="font-size:.85rem">0</span></div><canvas id="'+id+'-net" width="180" height="36"></canvas></div>'+
+                '<div class="mtr" id="mtr-'+id+'-cpu"><div class="mtr-data"><span class="rlabel">CPU</span> <span class="rval cpu-val">0%</span></div><canvas id="'+id+'-cpu" width="140" height="36"></canvas></div>'+
+                '<div class="mtr" id="mtr-'+id+'-mem"><div class="mtr-data"><span class="rlabel">MEM</span> <span class="rval mem-val">0%</span> <span class="mem-row-detail" style="font-size:.65rem;color:var(--text-dim)"></span></div><canvas id="'+id+'-mem" width="140" height="36"></canvas></div>'+
+                '<div class="mtr" id="mtr-'+id+'-net"><div class="mtr-data"><span class="rlabel">NET</span> <span class="rval net-down" style="font-size:.85rem">0</span> <span class="rval net-up" style="font-size:.85rem">0</span></div><canvas id="'+id+'-net" width="140" height="36"></canvas></div>'+
                 '<div class="col-info" style="text-align:right;font-size:.7rem;color:var(--text-dim);margin-top:4px"></div>'+
               '</div>';
           } else {