Paris-Shanghai (Pudong)-144-Shanghai (Hongqiao) -Hong Kong

Hello! Is it Okay to come in one point and to leave from another? Is is allowed to use 144 transit period in a week. Our route is Paris-Shanghai (Pudong)-144-Shanghai (Hongqiao) -Hong Kong (5 days) -Shanghai (Hongqiao)-144-Shanghai (Pudong)-Paris. Thank you for your answer.