diff --git a/automation/server/internal/module/job_history/model/job.go b/automation/server/internal/module/job_history/model/job.go
index 84e0ec9c6dc160f086679a45dd8ef272fa1e142a..4f37a01535cd64e65961edcc9023b1525306ce12 100644
--- a/automation/server/internal/module/job_history/model/job.go
+++ b/automation/server/internal/module/job_history/model/job.go
@@ -2,7 +2,6 @@ package model
 
 import (
 	"encoding/json"
-	"fmt"
 
 	"openeuler.org/PilotGo/PilotGo-plugin-automation/internal/module/common/enum/workflow"
 )
@@ -82,7 +81,6 @@ type SubJobStepResult struct {
 	StartTime    string          `json:"start_time" gorm:"comment:开始执行时间"`
 	EndTime      string          `json:"end_time" gorm:"comment:结束时间"`
 	Result       json.RawMessage `json:"result" gorm:"type:json;comment:步骤执行结果"`
-	ParsedResult Result          `json:"-" gorm:"-"`
 }
 
 type Result struct {
@@ -91,26 +89,6 @@ type Result struct {
 	Message string `json:"message"`
 }
 
-func (s *SubJobStepResult) UnmarshalJSON(data []byte) error {
-	type Alias SubJobStepResult
-	temp := &struct {
-		*Alias
-	}{}
-
-	temp.Alias = (*Alias)(s)
-
-	if err := json.Unmarshal(data, temp); err != nil {
-		return err
-	}
-
-	if len(s.Result) > 0 {
-		if err := json.Unmarshal(s.Result, &s.ParsedResult); err != nil {
-			fmt.Printf("警告: 解析Result字段失败: %v\n", err)
-		}
-	}
-	return nil
-}
-
 type JobDTO struct {
 	Job          Job               `json:"job"`
 	InputParams  []JobParams       `json:"input_params"`
diff --git a/automation/server/internal/module/job_history/service/job.go b/automation/server/internal/module/job_history/service/job.go
index 4a8882b2be17b8354976c24b07a44454d9582ad0..d1998a83bf3c46883fe36c9630ac6033734e931d 100644
--- a/automation/server/internal/module/job_history/service/job.go
+++ b/automation/server/internal/module/job_history/service/job.go
@@ -1,6 +1,7 @@
 package service
 
 import (
+	"encoding/json"
 	"fmt"
 	"strings"
 	"time"
@@ -77,6 +78,13 @@ func GetSubJobResultByJobId(jobId, ip string) (interface{}, error) {
 		return nil, fmt.Errorf("获取%s stepNum=%v 结果失败: jobId=%s, err=%v", ip, subJobResult.CurrentStep, jobId, err.Error())
 	}
 
+	var result model.Result
+	if len(currentStepResult.Result) > 0 {
+		if err := json.Unmarshal(currentStepResult.Result, &result); err != nil {
+			return nil, fmt.Errorf("解析 stepNum=%v Result字段失败: jobId=%s, err=%v", subJobResult.CurrentStep, jobId, err.Error())
+		}
+	}
+
 	resultMap := make(map[string]interface{})
 	resultMap["id"] = subJobResult.ID
 	resultMap["job_id"] = subJobResult.JobId
@@ -88,7 +96,7 @@ func GetSubJobResultByJobId(jobId, ip string) (interface{}, error) {
 	resultMap["start_time"] = subJobResult.StartTime
 	resultMap["end_time"] = subJobResult.EndTime
 	resultMap["results"] = stepResults
-	resultMap["message"] = currentStepResult.ParsedResult.Stdout
+	resultMap["message"] = result.Stdout
 
 	return resultMap, nil
 }
diff --git a/automation/server/internal/service/mysql.go b/automation/server/internal/service/mysql.go
index bed8acd62004e932693668e059f8fecaa9c32395..4387bcef5923000b11cb1cc4426b0d16041aa75f 100644
--- a/automation/server/internal/service/mysql.go
+++ b/automation/server/internal/service/mysql.go
@@ -2,6 +2,7 @@ package service
 
 import (
 	"fmt"
+	"time"
 
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
@@ -44,6 +45,15 @@ func (m *MySQLService) Init(ctx *AppContext) error {
 		return err
 	}
 
+	sqlDB, err := db.DB()
+	if err != nil {
+		return err
+	}
+	sqlDB.SetMaxOpenConns(20)           // 最大连接数
+	sqlDB.SetMaxIdleConns(10)           // 最大空闲连接数
+	sqlDB.SetConnMaxLifetime(time.Hour) // 连接生命周期
+	sqlDB.SetConnMaxIdleTime(30 * time.Minute)
+
 	db.AutoMigrate(&dangerousRule.DangerousRule{})
 	db.AutoMigrate(&scriptLibrary.Tag{})
 	db.AutoMigrate(&scriptLibrary.Script{})