From 430a22be67ac798718aa6cabcc79d05bc24bd143 Mon Sep 17 00:00:00 2001
From: songzhibin97 <718428482@qq.com>
Date: Thu, 20 May 2021 10:49:00 +0800
Subject: [PATCH] fix casbin datarace

---
 server/service/sys_casbin.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/server/service/sys_casbin.go b/server/service/sys_casbin.go
index 6e72c5ff..556dd086 100644
--- a/server/service/sys_casbin.go
+++ b/server/service/sys_casbin.go
@@ -91,8 +91,9 @@ func ClearCasbin(v int, p ...string) bool {
 //@return: *casbin.Enforcer
 
 var (
-	e    *casbin.Enforcer
-	once sync.Once
+	e     *casbin.Enforcer
+	once  sync.Once
+	eLock sync.Mutex
 )
 
 func Casbin() *casbin.Enforcer {
@@ -101,7 +102,9 @@ func Casbin() *casbin.Enforcer {
 		e, _ = casbin.NewEnforcer(global.GVA_CONFIG.Casbin.ModelPath, a)
 		e.AddFunction("ParamsMatch", ParamsMatchFunc)
 	})
+	eLock.Lock()
 	_ = e.LoadPolicy()
+	eLock.Unlock()
 	return e
 }