diff --git a/src/HttpServer/logic/logic.go b/src/HttpServer/logic/logic.go
index dd41b14..785a45d 100644
--- a/src/HttpServer/logic/logic.go
+++ b/src/HttpServer/logic/logic.go
@@ -14,6 +14,9 @@ import (
 )
 
 var llock sync.Mutex
+var uptasklock sync.Mutex
+var gettasklock sync.Mutex
+var querytasklock sync.Mutex
 
 func HandlerSyncuserdata(w http.ResponseWriter, data string, uniqueuuid, gameid, channel string, uuid int) {
 	SetHeader(w)
@@ -172,6 +175,8 @@ func HandlerFetchredbag(w http.ResponseWriter, data string, uniqueuuid, gameid, 
 
 func HandlerGettaskreward(w http.ResponseWriter, data string, uniqueuuid, gameid, channel string, uuid int) {
 	SetHeader(w)
+	gettasklock.Lock()
+	defer uptasklock.Unlock()
 	var resp GettaskrewardResp
 	resp.Code = 0
 	var rdata GettaskrewardReq
@@ -228,6 +233,8 @@ func HandlerGettaskreward(w http.ResponseWriter, data string, uniqueuuid, gameid
 
 func HandlerQuerytaskinfo(w http.ResponseWriter, data string, uniqueuuid, gameid, channel string, uuid int) {
 	SetHeader(w)
+	querytasklock.Lock()
+	defer querytasklock.Unlock()
 	var resp QuerytaskinfoResp
 	resp.Code = 0
 	var rdata QuerytaskinfoReq
@@ -291,6 +298,8 @@ func HandlerQuerytaskinfo(w http.ResponseWriter, data string, uniqueuuid, gameid
 
 func HandlerUpdatetaskandachieve(w http.ResponseWriter, data string, uniqueuuid, gameid, channel string, uuid int) {
 	SetHeader(w)
+	uptasklock.Lock()
+	defer uptasklock.Unlock()
 	var resp UpdatetaskResp
 	resp.Code = 0
 	var rdata UpdatetaskReq
--
libgit2 0.21.0