diff --git a/web/app/components/app/configuration/config-var/config-modal/__tests__/index-logic.spec.tsx b/web/app/components/app/configuration/config-var/config-modal/__tests__/index-logic.spec.tsx
index 77f2b54533..e6cb56f490 100644
--- a/web/app/components/app/configuration/config-var/config-modal/__tests__/index-logic.spec.tsx
+++ b/web/app/components/app/configuration/config-var/config-modal/__tests__/index-logic.spec.tsx
@@ -43,7 +43,7 @@ vi.mock('../form-fields', () => ({
         >
           invalid-name-change
         </button>
-        <button data-testid="valid-json-change" onClick={() => props.onJSONSchemaChange('{\n  \"foo\": \"bar\"\n}')}>valid-json-change</button>
+        <button data-testid="valid-json-change" onClick={() => props.onJSONSchemaChange('{\n  "foo": "bar"\n}')}>valid-json-change</button>
         <button data-testid="empty-json-change" onClick={() => props.onJSONSchemaChange('   ')}>empty-json-change</button>
         <button data-testid="invalid-json-change" onClick={() => props.onJSONSchemaChange('{invalid-json}')}>invalid-json-change</button>
         <button data-testid="type-change" onClick={() => props.onTypeChange({ value: InputVarType.singleFile })}>type-change</button>
diff --git a/web/app/components/base/markdown-with-directive/index.tsx b/web/app/components/base/markdown-with-directive/index.tsx
index 552d8a3aaa..8da4cf7ede 100644
--- a/web/app/components/base/markdown-with-directive/index.tsx
+++ b/web/app/components/base/markdown-with-directive/index.tsx
@@ -91,7 +91,7 @@ function buildDirectiveRehypePlugins(): PluggableList {
   ])
 
   const attributes: Record<string, AttributeDefinition[]> = {
-    ...(defaultSanitizeSchema.attributes ?? {}),
+    ...defaultSanitizeSchema.attributes,
   }
 
   for (const [tagName, allowedAttributes] of Object.entries(DIRECTIVE_ALLOWED_TAGS))
diff --git a/web/app/components/base/markdown/streamdown-wrapper.tsx b/web/app/components/base/markdown/streamdown-wrapper.tsx
index 342f5cf44b..e566ffc611 100644
--- a/web/app/components/base/markdown/streamdown-wrapper.tsx
+++ b/web/app/components/base/markdown/streamdown-wrapper.tsx
@@ -86,7 +86,7 @@ function buildRehypePlugins(extraPlugins?: PluggableList): PluggableList {
   ])
 
   const mergedAttributes: Record<string, AttributeDefinition[]> = {
-    ...(defaultSanitizeSchema.attributes ?? {}),
+    ...defaultSanitizeSchema.attributes,
   }
 
   for (const tag of Object.keys(ALLOWED_TAGS)) {
diff --git a/web/app/components/datasets/documents/detail/metadata/hooks/use-metadata-state.ts b/web/app/components/datasets/documents/detail/metadata/hooks/use-metadata-state.ts
index 7bfa64ac8e..7fc0c17cb0 100644
--- a/web/app/components/datasets/documents/detail/metadata/hooks/use-metadata-state.ts
+++ b/web/app/components/datasets/documents/detail/metadata/hooks/use-metadata-state.ts
@@ -75,7 +75,7 @@ export function useMetadataState({ docDetail, onUpdate }: UseMetadataStateOption
     setEditStatus(true)
   }
   const cancelEdit = () => {
-    setMetadataParams({ documentType: docType || '', metadata: { ...(docDetail?.doc_metadata || {}) } })
+    setMetadataParams({ documentType: docType || '', metadata: { ...docDetail?.doc_metadata } })
     setEditStatus(!docType)
     if (!docType)
       setShowDocTypes(true)
diff --git a/web/app/components/plugins/marketplace/search-box/__tests__/tags-filter.spec.tsx b/web/app/components/plugins/marketplace/search-box/__tests__/tags-filter.spec.tsx
index bb5d8e734c..117b8cdfab 100644
--- a/web/app/components/plugins/marketplace/search-box/__tests__/tags-filter.spec.tsx
+++ b/web/app/components/plugins/marketplace/search-box/__tests__/tags-filter.spec.tsx
@@ -47,7 +47,7 @@ vi.mock('@/app/components/base/input', () => ({
 }))
 
 vi.mock('@/app/components/base/portal-to-follow-elem', async () => {
-  const React = await import('react')
+  const _React = await import('react')
   return {
     PortalToFollowElem: ({ children }: { children: React.ReactNode }) => <div>{children}</div>,
     PortalToFollowElemTrigger: ({
diff --git a/web/app/components/plugins/plugin-detail-panel/subscription-list/__tests__/log-viewer.spec.tsx b/web/app/components/plugins/plugin-detail-panel/subscription-list/__tests__/log-viewer.spec.tsx
index 3594c10ce2..3b179d0881 100644
--- a/web/app/components/plugins/plugin-detail-panel/subscription-list/__tests__/log-viewer.spec.tsx
+++ b/web/app/components/plugins/plugin-detail-panel/subscription-list/__tests__/log-viewer.spec.tsx
@@ -145,7 +145,7 @@ describe('LogViewer', () => {
   })
 
   it('should parse request data when it is raw JSON', () => {
-    const log = createLog({ request: { ...createLog().request, data: '{\"hello\":1}' } })
+    const log = createLog({ request: { ...createLog().request, data: '{"hello":1}' } })
 
     render(<LogViewer logs={[log]} />)
 
diff --git a/web/app/components/plugins/plugin-detail-panel/tool-selector/components/__tests__/reasoning-config-form.spec.tsx b/web/app/components/plugins/plugin-detail-panel/tool-selector/components/__tests__/reasoning-config-form.spec.tsx
index beab35595c..3c56089b97 100644
--- a/web/app/components/plugins/plugin-detail-panel/tool-selector/components/__tests__/reasoning-config-form.spec.tsx
+++ b/web/app/components/plugins/plugin-detail-panel/tool-selector/components/__tests__/reasoning-config-form.spec.tsx
@@ -67,7 +67,7 @@ vi.mock('@/app/components/plugins/plugin-detail-panel/model-selector', () => ({
 
 vi.mock('@/app/components/workflow/nodes/_base/components/editor/code-editor', () => ({
   default: ({ onChange }: { onChange: (value: string) => void }) => (
-    <button data-testid="code-editor" onClick={() => onChange('{\"foo\":\"bar\"}')}>
+    <button data-testid="code-editor" onClick={() => onChange('{"foo":"bar"}')}>
       Update JSON
     </button>
   ),
diff --git a/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/strategy-picker.spec.tsx b/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/strategy-picker.spec.tsx
index 5be10ff146..e287e48985 100644
--- a/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/strategy-picker.spec.tsx
+++ b/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/strategy-picker.spec.tsx
@@ -14,7 +14,7 @@ vi.mock('@langgenius/dify-ui/button', () => ({
 }))
 
 vi.mock('@/app/components/base/portal-to-follow-elem', async () => {
-  const React = await import('react')
+  const _React = await import('react')
   return {
     PortalToFollowElem: ({
       open,
diff --git a/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/tool-picker.spec.tsx b/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/tool-picker.spec.tsx
index 9e63622d3f..e89b1b3161 100644
--- a/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/tool-picker.spec.tsx
+++ b/web/app/components/plugins/reference-setting-modal/auto-update-setting/__tests__/tool-picker.spec.tsx
@@ -22,7 +22,7 @@ vi.mock('@/app/components/base/loading', () => ({
 }))
 
 vi.mock('@/app/components/base/portal-to-follow-elem', async () => {
-  const React = await import('react')
+  const _React = await import('react')
   return {
     PortalToFollowElem: ({
       open,
diff --git a/web/app/components/workflow-app/hooks/__tests__/use-workflow-run.spec.ts b/web/app/components/workflow-app/hooks/__tests__/use-workflow-run.spec.ts
index 7b54598774..59ba667f8d 100644
--- a/web/app/components/workflow-app/hooks/__tests__/use-workflow-run.spec.ts
+++ b/web/app/components/workflow-app/hooks/__tests__/use-workflow-run.spec.ts
@@ -501,7 +501,8 @@ describe('useWorkflowRun', () => {
     windowWithDebugControllers.__allTriggersDebugAbortController = { abort: allTriggersAbort }
     const refController = new AbortController()
     const refAbortSpy = vi.spyOn(refController, 'abort')
-    const { getAbortController } = mocks.mockSsePost.mock.calls.at(-1)?.[2] as {
+    const lastCall = mocks.mockSsePost.mock.calls.at(-1)
+    const { getAbortController } = (lastCall?.[2] ?? {}) as {
       getAbortController?: (controller: AbortController) => void
     }
     getAbortController?.(refController)
diff --git a/web/app/components/workflow/hooks/use-nodes-interactions.ts b/web/app/components/workflow/hooks/use-nodes-interactions.ts
index f0e23586eb..0ce86602fa 100644
--- a/web/app/components/workflow/hooks/use-nodes-interactions.ts
+++ b/web/app/components/workflow/hooks/use-nodes-interactions.ts
@@ -1543,7 +1543,7 @@ export const useNodesInteractions = () => {
               targetHandle,
               type: CUSTOM_EDGE,
               data: {
-                ...(edge.data || {}),
+                ...edge.data,
                 sourceType: newCurrentNode.data.type,
                 targetType: targetNodeForEdge.data.type,
                 isInIteration,
@@ -1583,7 +1583,7 @@ export const useNodesInteractions = () => {
               targetHandle,
               type: CUSTOM_EDGE,
               data: {
-                ...(edge.data || {}),
+                ...edge.data,
                 sourceType: sourceNode.data.type,
                 targetType: newCurrentNode.data.type,
                 isInIteration: newNodeIsInIteration,
diff --git a/web/app/components/workflow/nodes/assigner/__tests__/integration.spec.tsx b/web/app/components/workflow/nodes/assigner/__tests__/integration.spec.tsx
index 5cd378ffa2..f1feb0a669 100644
--- a/web/app/components/workflow/nodes/assigner/__tests__/integration.spec.tsx
+++ b/web/app/components/workflow/nodes/assigner/__tests__/integration.spec.tsx
@@ -320,7 +320,7 @@ describe('assigner path', () => {
         <VarList
           readonly={false}
           nodeId="node-1"
-          list={[createOperation({ operation: WriteMode.set, value: '{\"a\":1}' })]}
+          list={[createOperation({ operation: WriteMode.set, value: '{"a":1}' })]}
           onChange={onChange}
           filterVar={vi.fn(() => true)}
           filterToAssignedVar={vi.fn(() => true)}
@@ -332,9 +332,9 @@ describe('assigner path', () => {
         />,
       )
 
-      fireEvent.change(screen.getByLabelText('code-editor'), { target: { value: '{\"a\":2}' } })
+      fireEvent.change(screen.getByLabelText('code-editor'), { target: { value: '{"a":2}' } })
       expect(onChange).toHaveBeenLastCalledWith([
-        createOperation({ operation: WriteMode.set, value: '{\"a\":2}' }),
+        createOperation({ operation: WriteMode.set, value: '{"a":2}' }),
       ], '{"a":2}')
 
       onChange.mockClear()
diff --git a/web/app/components/workflow/nodes/http/components/__tests__/curl-panel.spec.tsx b/web/app/components/workflow/nodes/http/components/__tests__/curl-panel.spec.tsx
index 141f8fd5f9..069ab4547e 100644
--- a/web/app/components/workflow/nodes/http/components/__tests__/curl-panel.spec.tsx
+++ b/web/app/components/workflow/nodes/http/components/__tests__/curl-panel.spec.tsx
@@ -32,7 +32,7 @@ describe('curl-panel', () => {
 
   describe('parseCurl', () => {
     it('should parse method, headers, json body, and query params from a valid curl command', () => {
-      const { node, error } = curlParser.parseCurl('curl -X POST -H \"Authorization: Bearer token\" --json \"{\"name\":\"openai\"}\" https://example.com/users?page=1&size=2')
+      const { node, error } = curlParser.parseCurl('curl -X POST -H "Authorization: Bearer token" --json "{"name":"openai"}" https://example.com/users?page=1&size=2')
 
       expect(error).toBeNull()
       expect(node).toMatchObject({
diff --git a/web/app/components/workflow/nodes/loop/__tests__/integration.spec.tsx b/web/app/components/workflow/nodes/loop/__tests__/integration.spec.tsx
index 0af05e9674..a4a00fee67 100644
--- a/web/app/components/workflow/nodes/loop/__tests__/integration.spec.tsx
+++ b/web/app/components/workflow/nodes/loop/__tests__/integration.spec.tsx
@@ -563,7 +563,7 @@ describe('loop path', () => {
               id: 'loop-var-object',
               var_type: VarType.arrayObject,
               value_type: ValueType.constant,
-              value: '[{\"id\":1}]',
+              value: '[{"id":1}]',
             })}
             onChange={onObjectChange}
           />
@@ -571,7 +571,7 @@ describe('loop path', () => {
       )
 
       fireEvent.change(screen.getByDisplayValue('draft'), { target: { value: 'published' } })
-      fireEvent.change(screen.getByLabelText('code-editor'), { target: { value: '[{\"id\":2}]' } })
+      fireEvent.change(screen.getByLabelText('code-editor'), { target: { value: '[{"id":2}]' } })
 
       expect(onStringChange).toHaveBeenCalledWith('published')
       expect(onObjectChange).toHaveBeenCalledWith('[{"id":2}]')
diff --git a/web/context/modal-context-provider.tsx b/web/context/modal-context-provider.tsx
index 5facc9a202..fcc37a1030 100644
--- a/web/context/modal-context-provider.tsx
+++ b/web/context/modal-context-provider.tsx
@@ -122,7 +122,7 @@ export const ModalContextProvider = ({
 
   const setShowAccountSettingModal = useCallback((next: SetStateAction<ModalState<AccountSettingTab> | null>) => {
     const currentState = accountSettingTab
-      ? { payload: accountSettingTab, ...(accountSettingCallbacksRef.current ?? {}) }
+      ? { payload: accountSettingTab, ...accountSettingCallbacksRef.current }
       : null
     const resolvedState = typeof next === 'function' ? next(currentState) : next
     if (!resolvedState) {
diff --git a/web/public/embed.js b/web/public/embed.js
index d5eabc0533..f7c6fdaf4a 100644
--- a/web/public/embed.js
+++ b/web/public/embed.js
@@ -312,9 +312,11 @@
         }
         targetIframe.style.display =
           targetIframe.style.display === "none" ? "block" : "none";
-        targetIframe.style.display === "none"
-          ? setSvgIcon("open")
-          : setSvgIcon("close");
+        if (targetIframe.style.display === "none") {
+          setSvgIcon("open")
+        } else {
+          setSvgIcon("close")
+        }
 
         if (targetIframe.style.display === "none") {
           document.removeEventListener("keydown", handleEscKey);
diff --git a/web/scripts/check-i18n.js b/web/scripts/check-i18n.js
index 34b842cc00..6936bcb452 100644
--- a/web/scripts/check-i18n.js
+++ b/web/scripts/check-i18n.js
@@ -116,7 +116,7 @@ async function getKeysFromLanguage(language) {
       }
 
       // Filter only .json files
-      const translationFiles = files.filter(file => /\.json$/.test(file))
+      const translationFiles = files.filter(file => file.endsWith('.json'))
 
       translationFiles.forEach((file) => {
         const filePath = path.join(folderPath, file)
@@ -263,7 +263,7 @@ async function main() {
           // Get all translation files
           const i18nFolder = path.resolve(__dirname, '../i18n', language)
           const files = fs.readdirSync(i18nFolder)
-            .filter(file => /\.json$/.test(file))
+            .filter(file => file.endsWith('.json'))
             .map(file => file.replace(/\.json$/, ''))
             .filter(f => targetFiles.length === 0 || targetFiles.includes(f))
 
diff --git a/web/scripts/component-analyzer.js b/web/scripts/component-analyzer.js
index 4612981f82..59f1e3f10e 100644
--- a/web/scripts/component-analyzer.js
+++ b/web/scripts/component-analyzer.js
@@ -206,10 +206,10 @@ export class ComponentAnalyzer {
 
       const escapedName = ComponentAnalyzer.escapeRegExp(searchName)
       const patterns = [
-        new RegExp(`from\\s+['\"][^'\"]*(?:/|^)${escapedName}(?:['\"/]|$)`),
-        new RegExp(`import\\s*\\(\\s*['\"][^'\"]*(?:/|^)${escapedName}(?:['\"/]|$)`),
-        new RegExp(`export\\s+(?:\\*|{[^}]*})\\s*from\\s+['\"][^'\"]*(?:/|^)${escapedName}(?:['\"/]|$)`),
-        new RegExp(`require\\(\\s*['\"][^'\"]*(?:/|^)${escapedName}(?:['\"/]|$)`),
+        new RegExp(`from\\s+['"][^'"]*(?:/|^)${escapedName}(?:['"/]|$)`),
+        new RegExp(`import\\s*\\(\\s*['"][^'"]*(?:/|^)${escapedName}(?:['"/]|$)`),
+        new RegExp(`export\\s+(?:\\*|{[^}]*})\\s*from\\s+['"][^'"]*(?:/|^)${escapedName}(?:['"/]|$)`),
+        new RegExp(`require\\s*\\(\\s*['"][^'"]*(?:/|^)${escapedName}(?:['"/]|$)`),
       ]
 
       const visited = new Set()
diff --git a/web/types/doc-paths.ts b/web/types/doc-paths.ts
index a0f2d12097..3f030a2733 100644
--- a/web/types/doc-paths.ts
+++ b/web/types/doc-paths.ts
@@ -272,9 +272,6 @@ export type DocPathWithoutLang =
   | DocPathWithoutLangBase
   | `${DocPathWithoutLangBase}#${string}`
 
-// Full documentation path with language prefix
-type DifyDocPath = `${DocLanguage}/${DocPathWithoutLang}`
-
 // API Reference path translations (English -> other languages)
 export const apiReferencePathTranslations: Record<string, { zh?: string; ja?: string }> = {
   '/api-reference/annotations/configure-annotation-reply': { zh: '/api-reference/标注管理/配置标注回复', ja: '/api-reference/アノテーション管理/アノテーション返信を設定' },