diff --git a/src/components/pages/ShellAnalysisResult.vue b/src/components/pages/ShellAnalysisResult.vue
index ae37d18..1636fcf 100644
--- a/src/components/pages/ShellAnalysisResult.vue
+++ b/src/components/pages/ShellAnalysisResult.vue
@@ -126,7 +126,7 @@
                 <td>{{ part.id }}</td>
                 <td class="part-name">{{ part.name }}</td>
                 <td class="part-path">{{ part.partPath }}</td>
-                <td class="volume-reduction">{{ formatPercent(part.volumeReduction) }}%</td>
+                <td class="volume-reduction">{{ (part.volumeReduction || 0).toFixed(6) }}%</td>
                 <td class="confidence-value">{{ formatPercent(part.confidence * 100) }}%</td>
                 <td class="reason-text">{{ part.reason }}</td>
                 <td>