diff --git a/klp-ui/src/views/micro/pages/acid/components/ActualPerformance.vue b/klp-ui/src/views/micro/pages/acid/components/ActualPerformance.vue
index f421d9969..9fdce0e97 100644
--- a/klp-ui/src/views/micro/pages/acid/components/ActualPerformance.vue
+++ b/klp-ui/src/views/micro/pages/acid/components/ActualPerformance.vue
@@ -663,8 +663,17 @@ export default {
             if (v == null || rv == null || rv === 0) return null
             return parseFloat(v.toFixed(3))
           })
-          const chartTitle = title
+          // 设定值（绝对厚度 mm）：取首个非空 REF，写入标题
+          let refVal = null
+          for (const r of rows) {
+            const rv = getRowVal(r, refCol)
+            if (rv != null && rv !== 0) { refVal = rv; break }
+          }
+          const chartTitle = refVal != null ? `${title} - 设定值: ${refVal.toFixed(3)}[mm]` : title
+
           const extras = []
+          // 设定基准线恒为 0
+          extras.push({ name: '设定值(0)', data: yData.map(v => v == null ? null : 0), color: '#909399', dash: false })
 
           // TOPLIMIT/BOTLIMIT 是冷轧机出口厚度的 AGC 公差带（逐行变化，
           // 头尾加减速段约 ±2.5%、稳态段收紧到约 ±1%），只约束出口厚度。