diff --git a/web/apps/web/src/stores/workflow/utils/data-transformer.ts b/web/apps/web/src/stores/workflow/utils/data-transformer.ts
index 189be35f..7bd35f8a 100644
--- a/web/apps/web/src/stores/workflow/utils/data-transformer.ts
+++ b/web/apps/web/src/stores/workflow/utils/data-transformer.ts
@@ -189,7 +189,7 @@ export const genReactFlow: (
   if (workflow.type === 'workflow') {
     // start节点
     let x = 0;
-    const y = 0;
+    const y = 100;
     nodes.push({
       id: NodeIdEnum.start,
       type: NodeTypeEnum.start,
@@ -341,7 +341,7 @@ export const genReactFlow: (
     nodes,
     edges,
     viewport: {
-      x: 0,
+      x: 100,
       y: 100,
       zoom: 0.4,
     },
diff --git a/web/packages/form-engine/src/index.tsx b/web/packages/form-engine/src/index.tsx
index d72db38f..6ebc82d3 100644
--- a/web/packages/form-engine/src/index.tsx
+++ b/web/packages/form-engine/src/index.tsx
@@ -81,7 +81,7 @@ const FormEngine = forwardRef<FormRef, IFormEngineProps>((props, ref) => {
         if (onChange) {
           onChange(values);
         }
-      }, 500),
+      }, 300),
     );
 
     return () => subscription.unsubscribe();
diff --git a/web/packages/ui/src/components/ui/number-input/number-input-utils.ts b/web/packages/ui/src/components/ui/number-input/number-input-utils.ts
index 94e10100..6687ca2d 100644
--- a/web/packages/ui/src/components/ui/number-input/number-input-utils.ts
+++ b/web/packages/ui/src/components/ui/number-input/number-input-utils.ts
@@ -44,5 +44,5 @@ export function calculateNearestValue(
   const decimalBaseValue = new Decimal(baseValue);
   const decimalStep = new Decimal(step);
   nearestValue = decimalBaseValue.add(finalSteps.times(decimalStep)).toNumber();
-  return nearestValue;
+  return Number.isNaN(nearestValue) ? value : nearestValue;
 }