diff --git a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/code-editor.tsx b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/code-editor.tsx
index d076f05f0a..a3c2552b45 100644
--- a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/code-editor.tsx
+++ b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/code-editor.tsx
@@ -70,7 +70,7 @@ const CodeEditor: FC<CodeEditorProps> = ({
   }, [])
 
   const handleEditorChange = useCallback((value: string | undefined) => {
-    if (value)
+    if (value !== undefined)
       onUpdate?.(value)
   }, [onUpdate])
 
diff --git a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-schema-config.tsx b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-schema-config.tsx
index aaaff2b911..148d65346c 100644
--- a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-schema-config.tsx
+++ b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-schema-config.tsx
@@ -128,9 +128,9 @@ const JsonSchemaConfig: FC<JsonSchemaConfigProps> = ({
       advancedEditing && setAdvancedEditing(false)
       isAddingNewField && setIsAddingNewField(false)
     }
-    setJsonSchema(defaultSchema || DEFAULT_SCHEMA)
-    setJson(JSON.stringify(defaultSchema || DEFAULT_SCHEMA, null, 2))
-  }, [currentTab, defaultSchema, advancedEditing, isAddingNewField, setAdvancedEditing, setIsAddingNewField, setHoveringProperty])
+    setJsonSchema(DEFAULT_SCHEMA)
+    setJson(JSON.stringify(DEFAULT_SCHEMA, null, 2))
+  }, [currentTab, advancedEditing, isAddingNewField, setAdvancedEditing, setIsAddingNewField, setHoveringProperty])
 
   const handleCancel = useCallback(() => {
     onClose()