diff --git a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-importer.tsx b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-importer.tsx
index 16964da140..6ea446d3ae 100644
--- a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-importer.tsx
+++ b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/json-importer.tsx
@@ -6,6 +6,8 @@ import { RiClipboardLine, RiCloseLine, RiErrorWarningFill, RiIndentIncrease } fr
 import copy from 'copy-to-clipboard'
 import { Editor } from '@monaco-editor/react'
 import Button from '@/app/components/base/button'
+import { checkDepth } from '../../utils'
+import { JSON_SCHEMA_MAX_DEPTH } from '@/config'
 
 type JsonImporterProps = {
   onSubmit: (schema: string) => void
@@ -71,8 +73,17 @@ const JsonImporter: FC<JsonImporterProps> = ({
   const handleSubmit = useCallback(() => {
     try {
       const parsedJSON = JSON.parse(json)
+      const maxDepth = checkDepth(parsedJSON)
+      if (maxDepth > JSON_SCHEMA_MAX_DEPTH) {
+        setParseError({
+          type: 'error',
+          message: `Schema exceeds maximum depth of ${JSON_SCHEMA_MAX_DEPTH}.`,
+        })
+        return
+      }
       onSubmit(parsedJSON)
       setParseError(null)
+      setOpen(false)
     }
     catch (e: any) {
       if (e instanceof SyntaxError)
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 e6ce21b0b8..6a020cec0f 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
@@ -281,6 +281,7 @@ const JsonSchemaConfig: FC<JsonSchemaConfigProps> = ({
   })
 
   useSubscribe('fieldChange', (params) => {
+    let samePropertyNameError = false
     const { parentPath, oldFields, fields } = params as ChangeEventParams
     const newSchema = produce(jsonSchema, (draft) => {
       const parentSchema = findPropertyWithPath(draft, parentPath) as Field
@@ -295,7 +296,7 @@ const JsonSchemaConfig: FC<JsonSchemaConfigProps> = ({
               type: 'error',
               message: 'Property name already exists',
             })
-            return
+            samePropertyNameError = true
           }
 
           const newProperties = Object.entries(properties).reduce((acc, [key, value]) => {
@@ -384,8 +385,7 @@ const JsonSchemaConfig: FC<JsonSchemaConfigProps> = ({
               type: 'error',
               message: 'Property name already exists',
             })
-            emit('restorePropertyName')
-            return
+            samePropertyNameError = true
           }
 
           const newProperties = Object.entries(properties).reduce((acc, [key, value]) => {
@@ -463,6 +463,7 @@ const JsonSchemaConfig: FC<JsonSchemaConfigProps> = ({
         schema.enum = fields.enum
       }
     })
+    if (samePropertyNameError) return
     setJsonSchema(newSchema)
     emit('fieldChangeSuccess')
   })
diff --git a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/edit-card/index.tsx b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/edit-card/index.tsx
index f2c129131d..7e6fd8ec93 100644
--- a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/edit-card/index.tsx
+++ b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/edit-card/index.tsx
@@ -14,6 +14,7 @@ import { useJsonSchemaConfigStore } from '../../store'
 import { useMittContext } from '../../context'
 import produce from 'immer'
 import { useUnmount } from 'ahooks'
+import { JSON_SCHEMA_MAX_DEPTH } from '@/config'
 
 export type EditData = {
   name: string
@@ -46,8 +47,6 @@ const TYPE_OPTIONS = [
   { value: ArrayType.object, text: 'array[object]' },
 ]
 
-const DEPTH_LIMIT = 10
-
 const EditCard: FC<EditCardProps> = ({
   fields,
   depth,
@@ -64,7 +63,7 @@ const EditCard: FC<EditCardProps> = ({
   const { emit, useSubscribe } = useMittContext()
   const blurWithActions = useRef(false)
 
-  const disableAddBtn = fields.type !== Type.object && fields.type !== ArrayType.object && depth < DEPTH_LIMIT
+  const disableAddBtn = depth >= JSON_SCHEMA_MAX_DEPTH || (fields.type !== Type.object && fields.type !== ArrayType.object)
   const hasAdvancedOptions = fields.type === Type.string || fields.type === Type.number
   const isAdvancedEditing = advancedEditing || isAddingNewField
 
diff --git a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/index.tsx b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/index.tsx
index 6468935aa2..425146039e 100644
--- a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/index.tsx
+++ b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/index.tsx
@@ -16,7 +16,7 @@ const VisualEditor: FC<VisualEditorProps> = ({
         schema={schema}
         required={false}
         path={[]}
-        depth={0}
+        depth={1}
       />
     </div>
   )
diff --git a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/schema-node.tsx b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/schema-node.tsx
index 85c08df17d..aa3d57a507 100644
--- a/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/schema-node.tsx
+++ b/web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/schema-node.tsx
@@ -10,6 +10,7 @@ import Card from './card'
 import { useJsonSchemaConfigStore } from '../store'
 import { useDebounceFn } from 'ahooks'
 import AddField from './add-field'
+import { JSON_SCHEMA_MAX_DEPTH } from '@/config'
 
 type SchemaNodeProps = {
   name: string
@@ -22,28 +23,28 @@ type SchemaNodeProps = {
 
 // Support 10 levels of indentation
 const indentPadding: Record<number, string> = {
-  0: 'pl-0',
-  1: 'pl-[20px]',
-  2: 'pl-[40px]',
-  3: 'pl-[60px]',
-  4: 'pl-[80px]',
-  5: 'pl-[100px]',
-  6: 'pl-[120px]',
-  7: 'pl-[140px]',
-  8: 'pl-[160px]',
-  9: 'pl-[180px]',
+  1: 'pl-0',
+  2: 'pl-[20px]',
+  3: 'pl-[40px]',
+  4: 'pl-[60px]',
+  5: 'pl-[80px]',
+  6: 'pl-[100px]',
+  7: 'pl-[120px]',
+  8: 'pl-[140px]',
+  9: 'pl-[160px]',
+  10: 'pl-[180px]',
 }
 
 const indentLeft: Record<number, string> = {
-  1: 'left-0',
-  2: 'left-[20px]',
-  3: 'left-[40px]',
-  4: 'left-[60px]',
-  5: 'left-[80px]',
-  6: 'left-[100px]',
-  7: 'left-[120px]',
-  8: 'left-[140px]',
-  9: 'left-[160px]',
+  2: 'left-0',
+  3: 'left-[20px]',
+  4: 'left-[40px]',
+  5: 'left-[60px]',
+  6: 'left-[80px]',
+  7: 'left-[100px]',
+  8: 'left-[120px]',
+  9: 'left-[140px]',
+  10: 'left-[160px]',
 }
 
 const SchemaNode: FC<SchemaNodeProps> = ({
@@ -66,7 +67,7 @@ const SchemaNode: FC<SchemaNodeProps> = ({
 
   const hasChildren = getHasChildren(schema)
   const type = getFieldType(schema)
-  const isHovering = hoveringProperty === path.join('.') && depth > 0
+  const isHovering = hoveringProperty === path.join('.') && depth > 1
 
   const handleExpand = () => {
     setIsExpanded(!isExpanded)
@@ -85,7 +86,7 @@ const SchemaNode: FC<SchemaNodeProps> = ({
   return (
     <div className='relative'>
       <div className={classNames('relative z-10', indentPadding[depth])}>
-        {depth > 0 && hasChildren && (
+        {depth > 1 && hasChildren && (
           <div className={classNames(
             'flex items-center absolute top-0 w-5 h-7 px-0.5 z-10 bg-background-section-burn',
             indentLeft[depth],
@@ -139,7 +140,7 @@ const SchemaNode: FC<SchemaNodeProps> = ({
         <Divider type='vertical' className='bg-divider-subtle mx-0' />
       </div>
 
-      {isExpanded && hasChildren && (
+      {isExpanded && hasChildren && depth < JSON_SCHEMA_MAX_DEPTH && (
         <>
           {schema.type === Type.object && schema.properties && (
             Object.entries(schema.properties).map(([key, childSchema]) => (
@@ -176,7 +177,7 @@ const SchemaNode: FC<SchemaNodeProps> = ({
       )}
 
       {
-        depth === 0 && !isAddingNewField && (
+        depth === 1 && !isAddingNewField && (
           <AddField />
         )
       }
diff --git a/web/app/components/workflow/nodes/llm/utils.ts b/web/app/components/workflow/nodes/llm/utils.ts
index e8930dc13e..f0184b0738 100644
--- a/web/app/components/workflow/nodes/llm/utils.ts
+++ b/web/app/components/workflow/nodes/llm/utils.ts
@@ -32,12 +32,12 @@ export const inferType = (value: any): Type => {
   return Type.string
 }
 
-export function jsonToSchema(json: any): Field {
+export const jsonToSchema = (json: any): Field => {
   const schema: Field = {
     type: inferType(json),
   }
 
-  if (schema.type === 'object') {
+  if (schema.type === Type.object) {
     schema.properties = {}
     schema.required = []
     schema.additionalProperties = false
@@ -53,3 +53,22 @@ export function jsonToSchema(json: any): Field {
 
   return schema
 }
+
+export const checkDepth = (json: any, currentDepth = 1) => {
+  const type = inferType(json)
+  if (type !== Type.object && type !== Type.array)
+    return currentDepth
+
+  let maxDepth = currentDepth
+  if (type === Type.object) {
+    Object.keys(json).forEach((key) => {
+      const depth = checkDepth(json[key], currentDepth + 1)
+      maxDepth = Math.max(maxDepth, depth)
+    })
+  }
+  else if (type === Type.array && json.length > 0) {
+    const depth = checkDepth(json[0], currentDepth + 1)
+    maxDepth = Math.max(maxDepth, depth)
+  }
+  return maxDepth
+}
diff --git a/web/config/index.ts b/web/config/index.ts
index 5600022ba1..6d1cd554f8 100644
--- a/web/config/index.ts
+++ b/web/config/index.ts
@@ -276,3 +276,5 @@ export const GITHUB_ACCESS_TOKEN = process.env.NEXT_PUBLIC_GITHUB_ACCESS_TOKEN |
 
 export const SUPPORT_INSTALL_LOCAL_FILE_EXTENSIONS = '.difypkg,.difybndl'
 export const FULL_DOC_PREVIEW_LENGTH = 50
+
+export const JSON_SCHEMA_MAX_DEPTH = 10