diff --git a/src/renderer/src/config/models.ts b/src/renderer/src/config/models.ts
index d86f1430af..0e744131ad 100644
--- a/src/renderer/src/config/models.ts
+++ b/src/renderer/src/config/models.ts
@@ -189,7 +189,7 @@ export const TEXT_TO_IMAGE_REGEX = /flux|diffusion|stabilityai|sd-|dall|cogview|
 
 // Reasoning models
 export const REASONING_REGEX =
-  /^(o\d+(?:-[\w-]+)?|.*\b(?:reasoner|thinking)\b.*|.*-[rR]\d+.*|.*\bqwq(?:-[\w-]+)?\b.*|.*\bhunyuan-t1(?:-[\w-]+)?\b.*|.*\bglm-zero-preview\b.*|.*\bgrok-3-mini(?:-[\w-]+)?\b.*)$/i
+  /^(o\d+(?:-[\w-]+)?|.*\b(?:reasoning|reasoner|thinking)\b.*|.*-[rR]\d+.*|.*\bqwq(?:-[\w-]+)?\b.*|.*\bhunyuan-t1(?:-[\w-]+)?\b.*|.*\bglm-zero-preview\b.*|.*\bgrok-3-mini(?:-[\w-]+)?\b.*)$/i
 
 // Embedding models
 export const EMBEDDING_REGEX =
diff --git a/src/renderer/src/pages/home/Messages/Blocks/ThinkingBlock.tsx b/src/renderer/src/pages/home/Messages/Blocks/ThinkingBlock.tsx
index 28702b739a..2e49e9f1ad 100644
--- a/src/renderer/src/pages/home/Messages/Blocks/ThinkingBlock.tsx
+++ b/src/renderer/src/pages/home/Messages/Blocks/ThinkingBlock.tsx
@@ -2,7 +2,7 @@ import { CheckOutlined } from '@ant-design/icons'
 import { useSettings } from '@renderer/hooks/useSettings'
 import { MessageBlockStatus, type ThinkingMessageBlock } from '@renderer/types/newMessage'
 import { Collapse, message as antdMessage, Tooltip } from 'antd'
-import { memo, useCallback, useEffect, useMemo, useState } from 'react'
+import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import BarLoader from 'react-spinners/BarLoader'
 import styled from 'styled-components'
@@ -17,6 +17,8 @@ const ThinkingBlock: React.FC<Props> = ({ block }) => {
   const { t } = useTranslation()
   const { messageFont, fontSize, thoughtAutoCollapse } = useSettings()
   const [activeKey, setActiveKey] = useState<'thought' | ''>(thoughtAutoCollapse ? '' : 'thought')
+  const [thinkingTime, setThinkingTime] = useState(block.thinking_millsec || 0)
+  const intervalId = useRef<NodeJS.Timeout>(null)
 
   const isThinking = useMemo(() => block.status === MessageBlockStatus.STREAMING, [block.status])
 
@@ -50,13 +52,28 @@ const ThinkingBlock: React.FC<Props> = ({ block }) => {
     }
   }, [block.content, t])
 
+  useEffect(() => {
+    if (isThinking) {
+      intervalId.current = setInterval(() => {
+        setThinkingTime((prev) => prev + 200)
+      }, 200)
+    } else {
+      return
+    }
+
+    return () => {
+      if (intervalId.current) {
+        window.clearInterval(intervalId.current)
+      }
+    }
+  }, [isThinking])
+
+  const thinkingTimeSeconds = useMemo(() => (thinkingTime / 1000).toFixed(1), [thinkingTime])
+
   if (!block.content) {
     return null
   }
 
-  const thinkingTime = block.thinking_millsec || 0
-  const thinkingTimeSeconds = (thinkingTime / 1000).toFixed(1)
-
   return (
     <CollapseContainer
       activeKey={activeKey}
diff --git a/src/renderer/src/services/StreamProcessingService.ts b/src/renderer/src/services/StreamProcessingService.ts
index 1d8bef15b3..818345523e 100644
--- a/src/renderer/src/services/StreamProcessingService.ts
+++ b/src/renderer/src/services/StreamProcessingService.ts
@@ -59,7 +59,7 @@ export function createStreamProcessor(callbacks: StreamProcessorCallbacks = {})
         callbacks.onTextComplete(data.text)
       }
       if (data.type === ChunkType.THINKING_DELTA && callbacks.onThinkingChunk) {
-        callbacks.onThinkingChunk(data.text, data.thinking_millsec)
+        callbacks.onThinkingChunk(data.text)
       }
       if (data.type === ChunkType.THINKING_COMPLETE && callbacks.onThinkingComplete) {
         callbacks.onThinkingComplete(data.text, data.thinking_millsec)
diff --git a/src/renderer/src/store/thunk/messageThunk.ts b/src/renderer/src/store/thunk/messageThunk.ts
index 5dd8d5984d..ef5b24ccaa 100644
--- a/src/renderer/src/store/thunk/messageThunk.ts
+++ b/src/renderer/src/store/thunk/messageThunk.ts
@@ -398,7 +398,7 @@ const fetchAndProcessAssistantResponseImpl = async (
           } else {
             const newBlock = createThinkingBlock(assistantMsgId, accumulatedThinking, {
               status: MessageBlockStatus.STREAMING,
-              thinking_millsec: thinking_millsec
+              thinking_millsec: 0
             })
             handleBlockTransition(newBlock, MessageBlockType.THINKING)
           }