Cangjie is a statically typed, garbage-collected, multi-paradigm programming language developed at Huawei for mobile application development. In this talk, we will introduce the preliminary design of a type system enhancement of Cangjie, targeting concurrent safety and precise resource management. This feature was inspired by the modal types in OxCaml and was designed to be compatible with the existing language features of Cangjie. We are actively working on this feature, so the design detail is subject to change.