diff --git a/src/components/markdown-viewer/index.less b/src/components/markdown-viewer/index.less
index 752071eb..d430e2f9 100644
--- a/src/components/markdown-viewer/index.less
+++ b/src/components/markdown-viewer/index.less
@@ -32,7 +32,6 @@
   h2,
   h3,
   h4 {
-    font-weight: var(--font-weight-bold);
     margin-top: 1em;
   }
 
@@ -58,10 +57,6 @@
     margin-top: 16px;
   }
 
-  strong {
-    font-weight: var(--font-weight-bold);
-  }
-
   ul {
     margin-bottom: 0;
     padding-left: 20px;
diff --git a/src/pages/llmodels/components/api-access-info.tsx b/src/pages/llmodels/components/api-access-info.tsx
index 0f594e12..cb0588df 100644
--- a/src/pages/llmodels/components/api-access-info.tsx
+++ b/src/pages/llmodels/components/api-access-info.tsx
@@ -18,7 +18,7 @@ const ApiAccessInfoWrapper = styled.div`
   justify-items: start;
   align-items: center;
   .label {
-    font-weight: 600;
+    font-weight: 500;
   }
   .value {
     margin-left: 20px;
diff --git a/src/pages/playground/components/dynamic-params.tsx b/src/pages/playground/components/dynamic-params.tsx
index 2ea9c911..a80a01b0 100644
--- a/src/pages/playground/components/dynamic-params.tsx
+++ b/src/pages/playground/components/dynamic-params.tsx
@@ -151,7 +151,7 @@ const ParamsSettings: React.FC<ParamsSettingsProps> = forwardRef(
         <div>
           {
             <>
-              <h3 className="m-b-20  font-size-14 line-24 font-600">
+              <h3 className="m-b-20  font-size-14 line-24 font-500">
                 {parametersTitle || (
                   <span>
                     {intl.formatMessage({ id: 'playground.parameters' })}
diff --git a/src/pages/playground/components/ground-images.tsx b/src/pages/playground/components/ground-images.tsx
index 31eefdb4..6a5457c4 100644
--- a/src/pages/playground/components/ground-images.tsx
+++ b/src/pages/playground/components/ground-images.tsx
@@ -250,11 +250,7 @@ const GroundImages: React.FC<MessageProps> = forwardRef((props, ref) => {
               minRows: 5,
               maxRows: 5
             }}
-            title={
-              <span className="font-600">
-                {intl.formatMessage({ id: 'playground.image.prompt' })}
-              </span>
-            }
+            title={intl.formatMessage({ id: 'playground.image.prompt' })}
             loading={loading}
             disabled={!parameters.model}
             isEmpty={!imageList.length}
diff --git a/src/pages/playground/components/ground-tts.tsx b/src/pages/playground/components/ground-tts.tsx
index d4c79775..d66f4a82 100644
--- a/src/pages/playground/components/ground-tts.tsx
+++ b/src/pages/playground/components/ground-tts.tsx
@@ -367,11 +367,7 @@ const GroundTTS: React.FC<MessageProps> = forwardRef((props, ref) => {
               minRows: 5,
               maxRows: 5
             }}
-            title={
-              <span className="font-600">
-                {intl.formatMessage({ id: 'playground.audio.textinput' })}
-              </span>
-            }
+            title={intl.formatMessage({ id: 'playground.audio.textinput' })}
             onCheck={handleOnCheckChange}
             loading={loading}
             disabled={!parameters.model}
diff --git a/src/pages/playground/components/message-input.tsx b/src/pages/playground/components/message-input.tsx
index f7511e52..6c6dbd10 100644
--- a/src/pages/playground/components/message-input.tsx
+++ b/src/pages/playground/components/message-input.tsx
@@ -390,7 +390,7 @@ const MessageInput: React.FC<MessageInputProps> = forwardRef(
       <div className="messageInput" style={{ ...style }}>
         <div className="tool-bar">
           <div className="actions">
-            {title}
+            {title && <span className="font-500">{title}</span>}
             {actions.includes('role') && (
               <>
                 <Button
diff --git a/src/pages/playground/images.tsx b/src/pages/playground/images.tsx
index 28562090..6c1ed1cb 100644
--- a/src/pages/playground/images.tsx
+++ b/src/pages/playground/images.tsx
@@ -159,7 +159,7 @@ const TextToImages: React.FC = () => {
             <Segmented
               options={optionsList}
               size="middle"
-              className="m-l-40"
+              className="m-l-40 font-600"
               onChange={(key) => setActiveKey(key)}
             ></Segmented>
           }
diff --git a/src/pages/playground/index.tsx b/src/pages/playground/index.tsx
index 3eacbe91..92c7a661 100644
--- a/src/pages/playground/index.tsx
+++ b/src/pages/playground/index.tsx
@@ -143,7 +143,7 @@ const Playground: React.FC = () => {
             <Segmented
               options={optionsList}
               size="middle"
-              className="m-l-40"
+              className="m-l-40 font-600"
               onChange={(key) => setActiveKey(key)}
             ></Segmented>
           }
diff --git a/src/pages/playground/speech.tsx b/src/pages/playground/speech.tsx
index 0f9d0f1d..e45365c6 100644
--- a/src/pages/playground/speech.tsx
+++ b/src/pages/playground/speech.tsx
@@ -195,7 +195,7 @@ const Playground: React.FC = () => {
             <Segmented
               options={optionsList}
               size="middle"
-              className="m-l-40"
+              className="m-l-40 font-600"
               value={activeKey}
               onChange={(key) => setActiveKey(key)}
             ></Segmented>
diff --git a/src/pages/playground/style/sys-message.less b/src/pages/playground/style/sys-message.less
index 9c5d435e..be9f6697 100644
--- a/src/pages/playground/style/sys-message.less
+++ b/src/pages/playground/style/sys-message.less
@@ -41,7 +41,7 @@
   }
 
   .system-label {
-    font-weight: var(--font-weight-bold);
+    font-weight: var(--font-weight-500);
     padding-left: 14px;
   }
 
@@ -57,7 +57,7 @@
     color: var(--ant-color-text-secondary);
 
     .title {
-      font-weight: var(--font-weight-bold);
+      font-weight: var(--font-weight-500);
       padding-right: 10px;
       color: var(--ant-color-text);
     }