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                                            Xinyuan Liang

The PBE0 calculation can't converge in systems with a single C atom

### Describe the bug When I tried to run SCF in a system consisting of only one C atom with PBE0, I found that I could not get convergent results....

EXX

HSE calculation with symmetry=1 seems strange, giving EDIFF(outer loop) as large as 1e+7

### Describe the bug When running ABACUS with dft_functional as HSE and symmetry as 1 (default setting), the SCF procedure seems very strange. The "EDIFF/eV (outer loop)" are always e+5,...

EXX and lr-TDDFT

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