numpy's function prompt does not work correctly with Microsoft language server

Environment data

VS Code version: 1.50.1(user setup)
Extension version (available under the Extensions sidebar): v2020.10.332292344
OS and version: Windows_NT x64 10.0.19042
Python version (& distribution if applicable, e.g. Anaconda): 3.8.6 64-bit
Type of virtual environment used (N/A | venv | virtualenv | conda | ...): N/A
Relevant/affected Python packages and their versions: numpy==1.19.2
Value of the python.languageServer setting: "python.languageServer": "Microsoft"

I hope np.arange can get the function prompt like np.argmax

Intellisense dosen't work correctly for np.arange, I can't see any function prompt

Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)

XXX