diff --git a/ui/src/views/function-lib/component/FunctionDebugDrawer.vue b/ui/src/views/function-lib/component/FunctionDebugDrawer.vue
index 78fbb650a..44856ac82 100644
--- a/ui/src/views/function-lib/component/FunctionDebugDrawer.vue
+++ b/ui/src/views/function-lib/component/FunctionDebugDrawer.vue
@@ -84,7 +84,7 @@
           shadow="never"
           style="max-height: 350px; overflow: scroll"
         >
-          {{ result || '-' }}
+          {{ String(result) == '0' ? 0 : result || '-' }}
         </el-card>
       </div>
     </div>