diff --git a/apps/desktop/src/components/comfyui/WorkflowTemplateCreator.tsx b/apps/desktop/src/components/comfyui/WorkflowTemplateCreator.tsx
index d77f878..a1a427b 100644
--- a/apps/desktop/src/components/comfyui/WorkflowTemplateCreator.tsx
+++ b/apps/desktop/src/components/comfyui/WorkflowTemplateCreator.tsx
@@ -802,7 +802,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                               step={schema.step || (schema.param_type === 'float' ? 0.01 : 1)}
                               min={schema.min}
                               max={schema.max}
-                              value={schema.default || ''}
+                              value={schema.default !== undefined ? schema.default : ''}
                               onChange={(e) => updateParameter(paramName, {
                                 ...schema,
                                 default: schema.param_type === 'integer' ? parseInt(e.target.value) || 0 : parseFloat(e.target.value) || 0
@@ -880,7 +880,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                               <input
                                 type="number"
                                 step={schema.param_type === 'float' ? 0.01 : 1}
-                                value={schema.min || ''}
+                                value={schema.min !== undefined ? schema.min : ''}
                                 onChange={(e) => updateParameter(paramName, {
                                   ...schema,
                                   min: e.target.value ? Number(e.target.value) : undefined
@@ -896,7 +896,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                               <input
                                 type="number"
                                 step={schema.param_type === 'float' ? 0.01 : 1}
-                                value={schema.max || ''}
+                                value={schema.max !== undefined ? schema.max : ''}
                                 onChange={(e) => updateParameter(paramName, {
                                   ...schema,
                                   max: e.target.value ? Number(e.target.value) : undefined
@@ -912,7 +912,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                               <input
                                 type="number"
                                 step={schema.param_type === 'float' ? 0.001 : 1}
-                                value={schema.step || ''}
+                                value={schema.step !== undefined ? schema.step : ''}
                                 onChange={(e) => updateParameter(paramName, {
                                   ...schema,
                                   step: e.target.value ? Number(e.target.value) : undefined
@@ -948,7 +948,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                                 </label>
                                 <input
                                   type="number"
-                                  value={schema.maxSize ? Math.round(schema.maxSize / (1024 * 1024)) : ''}
+                                  value={schema.maxSize !== undefined ? Math.round(schema.maxSize / (1024 * 1024)) : ''}
                                   onChange={(e) => updateParameter(paramName, {
                                     ...schema,
                                     maxSize: e.target.value ? Number(e.target.value) * 1024 * 1024 : undefined
@@ -967,7 +967,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                                   </label>
                                   <input
                                     type="number"
-                                    value={schema.width || ''}
+                                    value={schema.width !== undefined ? schema.width : ''}
                                     onChange={(e) => updateParameter(paramName, {
                                       ...schema,
                                       width: e.target.value ? Number(e.target.value) : undefined
@@ -982,7 +982,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                                   </label>
                                   <input
                                     type="number"
-                                    value={schema.height || ''}
+                                    value={schema.height !== undefined ? schema.height : ''}
                                     onChange={(e) => updateParameter(paramName, {
                                       ...schema,
                                       height: e.target.value ? Number(e.target.value) : undefined
@@ -1001,7 +1001,7 @@ export const WorkflowTemplateCreator: React.FC<WorkflowTemplateCreatorProps> = (
                                 </label>
                                 <input
                                   type="number"
-                                  value={schema.duration || ''}
+                                  value={schema.duration !== undefined ? schema.duration : ''}
                                   onChange={(e) => updateParameter(paramName, {
                                     ...schema,
                                     duration: e.target.value ? Number(e.target.value) : undefined