diff --git a/.gitignore b/.gitignore
index ad0d2a5b..8512dcba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,7 @@ Thumbs.db
 .env
 config.json
 config.db
+.tool-versions
 
 # 决策日志
 decision_logs/
@@ -41,3 +42,4 @@ web/node_modules/
 node_modules/
 web/dist/
 web/.vite/
+web/yarn.lock
diff --git a/market/data.go b/market/data.go
index cd40be75..5a40f172 100644
--- a/market/data.go
+++ b/market/data.go
@@ -3,7 +3,7 @@ package market
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"math"
 	"net/http"
 	"strconv"
@@ -299,7 +299,7 @@ func getOpenInterestData(symbol string) (*OIData, error) {
 	}
 	defer resp.Body.Close()
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}
@@ -332,7 +332,7 @@ func getFundingRate(symbol string) (float64, error) {
 	}
 	defer resp.Body.Close()
 
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return 0, err
 	}