diff --git a/web/app/components/base/chat/chat/chat-input-area/index.tsx b/web/app/components/base/chat/chat/chat-input-area/index.tsx
index 52490e402..cbfa3168e 100644
--- a/web/app/components/base/chat/chat/chat-input-area/index.tsx
+++ b/web/app/components/base/chat/chat/chat-input-area/index.tsx
@@ -192,7 +192,7 @@ const ChatInputArea = ({
               <Textarea
                 ref={ref => textareaRef.current = ref as any}
                 className={cn(
-                  'body-lg-regular w-full resize-none bg-transparent p-1 leading-6 text-text-tertiary outline-none',
+                  'body-lg-regular w-full resize-none bg-transparent p-1 leading-6 text-text-primary outline-none',
                 )}
                 placeholder={t('common.chat.inputPlaceholder', { botName }) || ''}
                 autoFocus
diff --git a/web/app/components/base/markdown-blocks/think-block.tsx b/web/app/components/base/markdown-blocks/think-block.tsx
index 565582e32..46f992d75 100644
--- a/web/app/components/base/markdown-blocks/think-block.tsx
+++ b/web/app/components/base/markdown-blocks/think-block.tsx
@@ -71,7 +71,7 @@ export const ThinkBlock = ({ children, ...props }: any) => {
 
   return (
     <details {...(!isComplete && { open: true })} className="group">
-      <summary className="flex cursor-pointer select-none list-none items-center whitespace-nowrap pl-2 font-bold text-gray-500">
+      <summary className="flex cursor-pointer select-none list-none items-center whitespace-nowrap pl-2 font-bold text-text-secondary">
         <div className="flex shrink-0 items-center">
           <svg
             className="mr-2 h-3 w-3 transition-transform duration-500 group-open:rotate-90"
@@ -89,7 +89,7 @@ export const ThinkBlock = ({ children, ...props }: any) => {
           {isComplete ? `${t('common.chat.thought')}(${elapsedTime.toFixed(1)}s)` : `${t('common.chat.thinking')}(${elapsedTime.toFixed(1)}s)`}
         </div>
       </summary>
-      <div className="ml-2 border-l border-gray-300 bg-gray-50 p-3 text-gray-500">
+      <div className="ml-2 border-l border-components-panel-border bg-components-panel-bg-alt p-3 text-text-secondary">
         {displayContent}
       </div>
     </details>
diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
index 023916ec5..9acbdf4ff 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
@@ -141,7 +141,7 @@ const Item: FC<ItemProps> = ({
           ref={itemRef}
           className={cn(
             (isObj || isStructureOutput) ? ' pr-1' : 'pr-[18px]',
-            isHovering && ((isObj || isStructureOutput) ? 'bg-primary-50' : 'bg-state-base-hover'),
+            isHovering && ((isObj || isStructureOutput) ? 'bg-components-panel-on-panel-item-bg-hover' : 'bg-state-base-hover'),
             'relative flex h-6 w-full cursor-pointer items-center  rounded-md pl-3')
           }
           onClick={handleChosen}