diff --git a/models/model.go b/models/model.go
index 00fc092..768866b 100644
--- a/models/model.go
+++ b/models/model.go
@@ -9,6 +9,7 @@ import (
     "strings"
     "github.com/ouqiang/gocron/modules/logger"
     "github.com/ouqiang/gocron/modules/app"
+    "strconv"
 )
 
 type Status int8
@@ -69,6 +70,17 @@ func CreateDb() *xorm.Engine {
     if err != nil {
         logger.Fatal("创建xorm引擎失败", err)
     }
+    maxIdleConns, err := strconv.Atoi(config["max_idle_conns"])
+    maxOpenConns, err := strconv.Atoi(config["max_open_conns"])
+    if maxIdleConns <= 0 {
+        maxIdleConns = 30
+    }
+    if maxOpenConns <= 0 {
+        maxOpenConns = 100
+    }
+    engine.SetMaxIdleConns(maxIdleConns)
+    engine.SetMaxOpenConns(maxOpenConns)
+
     if config["prefix"] != "" {
         // 设置表前缀
         TablePrefix = config["prefix"]
@@ -81,6 +93,7 @@ func CreateDb() *xorm.Engine {
         engine.Logger().SetLevel(core.LOG_DEBUG)
     }
 
+
     return engine
 }
 
@@ -121,6 +134,8 @@ func getDbConfig() map[string]string {
     db["charset"] = app.Setting.Key("db.charset").String()
     db["prefix"] = app.Setting.Key("db.prefix").String()
     db["engine"] = app.Setting.Key("db.engine").String()
+    db["max_idle_conns"] = app.Setting.Key("db.max.idle.conns").String()
+    db["max_open_conns"] = app.Setting.Key("db.max.open.conns").String()
 
     return db
 }
\ No newline at end of file
diff --git a/models/task_log.go b/models/task_log.go
index e0b6f30..47db18c 100644
--- a/models/task_log.go
+++ b/models/task_log.go
@@ -74,6 +74,7 @@ func (taskLog *TaskLog) Remove(id int) (int64, error) {
 
 func (taskLog *TaskLog) Total(params CommonMap) (int64, error) {
     session := Db.NewSession()
+    defer session.Close()
     taskLog.parseWhere(session, params)
     return session.Count(taskLog)
 }
diff --git a/routers/install/install.go b/routers/install/install.go
index 091cb67..6ac33b7 100644
--- a/routers/install/install.go
+++ b/routers/install/install.go
@@ -111,6 +111,8 @@ func writeConfig(form InstallForm) error {
         "db.database", form.DbName,
         "db.prefix",   form.DbTablePrefix,
         "db.charset",  "utf8",
+        "db.max.idle.conns", "30",
+        "db.max.open.conns", "100",
         "allow_ips", "",
         "app.name", "定时任务管理系统", // 应用名称
         "delay.task.enable", "false", // 是否开启延时任务