diff --git a/frontend/src/components/map-canvas/MapCanvasDialogs.vue b/frontend/src/components/map-canvas/MapCanvasDialogs.vue
index 89c3da66..8372cc92 100644
--- a/frontend/src/components/map-canvas/MapCanvasDialogs.vue
+++ b/frontend/src/components/map-canvas/MapCanvasDialogs.vue
@@ -510,9 +510,16 @@ function removeKr(idx: number) {
 }
 
 function formatTargetValue(idx: number) {
-  const val = form.value.krs[idx]?.target_value
+  const kr = form.value.krs[idx]
+  if (!kr) return
+  const val = kr.target_value
   if (val && !val.includes('%') && !isNaN(parseFloat(val))) {
-    form.value.krs[idx].target_value = parseFloat(val).toFixed(2) + '%'
+    const pct = parseFloat(val).toFixed(2) + '%'
+    kr.target_value = pct
+    // 自动同步到KR名称：如果名称是纯文字无数字，追加≥目标值
+    if (kr.name && !/\d/.test(kr.name)) {
+      kr.name = kr.name + '≥' + pct
+    }
   }
 }