Key Laboratory of Dark Matter and Space Astronomy;
Purple Mountain Observatory;
Chinese Academy of Sciences;
Nanjing 210023;
China;
School of Astronomy and Space Science;
University of Science and Technology of China;
Hefei 230026;
China;
Institut d'strophysique Spatiale;
CNRS/UniversitéParis-Sud;
UniversitéParis-Saclay;
Bâtiment 121;
91405 Orsay Cedex;
France;
Yunnan Observatories;
Chinese Academy of Sciences;
Kunming 650216;
China;
instabilities; methods:data analysis; Sun:filaments; prominences;