diff --git a/client/src/pages/BossPage.tsx b/client/src/pages/BossPage.tsx
index 7249283..d72f09f 100644
--- a/client/src/pages/BossPage.tsx
+++ b/client/src/pages/BossPage.tsx
@@ -102,12 +102,15 @@ export function BossPage() {
   // 瀑布图累计计算
   let cumulative = 0
   const waterfallChart = waterfallSteps.map((step) => {
-    if (step.type === 'total' || step.type === 'profit') {
+    if (step.type === 'total') {
       cumulative = step.value
-      return { name: step.name, base: 0, value: step.value, fill: step.type === 'profit' ? '#22c55e' : '#3b82f6' }
+      return { name: step.name, base: 0, value: step.value, fill: '#3b82f6' }
+    } else if (step.type === 'profit') {
+      return { name: step.name, base: 0, value: step.value, fill: '#22c55e' }
     } else {
-      const base = cumulative + step.value
-      const result = { name: step.name, base, value: -step.value, fill: '#ef4444' }
+      const decrease = Math.abs(step.value)
+      const base = cumulative - decrease
+      const result = { name: step.name, base, value: decrease, fill: '#ef4444' }
       cumulative = base
       return result
     }