diff --git a/src/components/echarts/config.ts b/src/components/echarts/config.ts
index 2b099266..f83fa28f 100644
--- a/src/components/echarts/config.ts
+++ b/src/components/echarts/config.ts
@@ -4,6 +4,22 @@ const chartColorMap = {
   axislabelColor: 'rgba(0, 0, 0, 0.4)'
 };
 
+const formatLargeNumber = (value: number) => {
+  if (typeof value !== 'number' || isNaN(value)) {
+    return value;
+  }
+
+  if (value >= 1e9) {
+    return (value / 1e9).toFixed(1).replace(/\.0$/, '') + 'B';
+  } else if (value >= 1e6) {
+    return (value / 1e6).toFixed(1).replace(/\.0$/, '') + 'M';
+  } else if (value >= 1e3) {
+    return (value / 1e3).toFixed(1).replace(/\.0$/, '') + 'K';
+  } else {
+    return value;
+  }
+};
+
 export const tooltip = {
   trigger: 'axis',
   // axisPointer: {
@@ -70,7 +86,8 @@ export const yAxis = {
   },
   axisLabel: {
     color: chartColorMap.axislabelColor,
-    fontSize: 12
+    fontSize: 12,
+    formatter: formatLargeNumber
   },
   axisTick: {
     show: false
diff --git a/src/pages/playground/components/multiple-chat/content-item.tsx b/src/pages/playground/components/multiple-chat/content-item.tsx
index 9316c9a3..b6a3e48d 100644
--- a/src/pages/playground/components/multiple-chat/content-item.tsx
+++ b/src/pages/playground/components/multiple-chat/content-item.tsx
@@ -174,7 +174,7 @@ const ContentItem: React.FC<MessageItemProps> = ({
         <IconFont
           type="icon-assistant-filled"
           className="font-size-16 m-r-5"
-          style={{ color: 'var(--ant-blue-4)' }}
+          style={{ color: 'var(--ant-blue-5)' }}
         />
       );
     }
diff --git a/src/pages/playground/config/index.ts b/src/pages/playground/config/index.ts
index d24f7d5f..27a57bb4 100644
--- a/src/pages/playground/config/index.ts
+++ b/src/pages/playground/config/index.ts
@@ -169,10 +169,10 @@ export const extractErrorMessage = (result: any) => {
     result?.data?.error ||
     result?.data?.detail ||
     result?.data?.message ||
+    result?.error?.message ||
     result?.error ||
     result?.detail ||
     result?.message ||
-    result?.error?.message ||
     result?.data;
   if (errorMsg) {
     return typeof errorMsg === 'string' ? errorMsg : JSON.stringify(errorMsg);