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type injector struct {
	values map[reflect.Type]reflect.Value
	parent Injector
}

func (i *injector) Map(val interface{}) TypeMapper {
	i.values[reflect.TypeOf(val)] = reflect.ValueOf(val)
	return i
}

if h.flags&hashWriting != 0 { //位置：runtime/map.go line:585 on Go 1.15.4
		throw("concurrent map writes")
}

sMapLock.Lock() 
		inj.Map(c)
		inj.Map(ginsession.FromContext(c))
		for _, dep := range deps {
			inj.Map(dep)
		}
sMapLock.Unlock()