class weight {0: 4.0, 1: 15.0, 2: 15.0, 3: 3.0, 4: 1.0, 5: 6.0, 6: 3.0}, it still is zero

[Aidenfaustine]

Dear professor

i am really sorry to disturb you. I add the class_weight={0: 4.0, 1: 15.0, 2: 15.0, 3: 3.0, 4: 1.0, 5: 6.0, 6: 3.0}.
the prceision is zero

          precision    recall  f1-score   support

       0     0.4919    0.9889    0.6570      1256
       1     0.0000    0.0000    0.0000       281
       2     0.0000    0.0000    0.0000        50
       3     0.0000    0.0000    0.0000       208
       4     0.0000    0.0000    0.0000       402
       5     0.0000    0.0000    0.0000        68
       6     0.4353    0.1072    0.1721       345

micro avg 0.4900 0.4900 0.4900 2610
macro avg 0.1325 0.1566 0.1184 2610
weighted avg 0.2942 0.4900 0.3389 2610

Weighted FScore:
(0.2942449206381084, 0.4900383141762452, 0.3388985544501019, None)

How to fix it?
thanks, best wishes