修正加群api的路由 (#62)

Co-authored-by: tanzhongwu <tanzhongwu@mail.wjhudong.com>
Co-authored-by: Gordon <46924906+FGadvancer@users.noreply.github.com>

cmd/open_im_api/main.go

@@ -12,9 +12,7 @@ import (
 	"Open_IM/pkg/common/log"
 	"Open_IM/pkg/utils"
 	"flag"
-	"os"
 	"strconv"
-
 	"github.com/gin-gonic/gin"
 
 	//"syscall"
@@ -69,7 +67,7 @@ func main() {
 	{
 		groupRouterGroup.POST("/create_group", group.CreateGroup)
 		groupRouterGroup.POST("/set_group_info", group.SetGroupInfo)
-		groupRouterGroup.POST("join_group", group.JoinGroup)
+		groupRouterGroup.POST("/join_group", group.JoinGroup)
 		groupRouterGroup.POST("/quit_group", group.QuitGroup)
 		groupRouterGroup.POST("/group_application_response", group.ApplicationGroupResponse)
 		groupRouterGroup.POST("/transfer_group", group.TransferGroupOwner)