change sign

controllers/LLMController.go

 package controllers
 
 import (
+	"bytes"
 	"crypto/ecdsa"
 	"encoding/json"
 	"github.com/astaxie/beego"
@@ -25,9 +26,11 @@ func (c *LLMController) GetContainerSign() {
 	}
 	signPrv := beego.AppConfig.String("sign_prv")
 	bridgePrv := stringToPrivateKey(signPrv)
-	hashData, _ := json.Marshal(signData)
-	hash := crypto.Keccak256Hash(hashData)
-	signature, _ := crypto.Sign(hash.Bytes(), bridgePrv)
+	hash := crypto.Keccak256Hash(bytes.NewBufferString(signData.TaskId).Bytes())
+	signature, err := ecdsa.SignASN1(nil, bridgePrv, hash.Bytes())
+	if err != nil {
+		return
+	}
 	signHex := common.Bytes2Hex(signature)
 	c.ResponseInfo(200, "sign successful", signHex)
 }