OSError: libcublas.so.11: cannot open shared object file: No such file or directory

[xyxxmb]

My environment is: linux system：centos7 cuda: 10.2 torch：1.11.0 bitsandbytes：0.34.0

Then the error is：

import bitsandbytes as bnb

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================================================================================
/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/cuda_setup/paths.py:86: UserWarning: /xxx/anaconda3 did not contain libcudart.so as expected! Searching further paths...
  warn(
/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/cuda_setup/paths.py:20: UserWarning: WARNING: The following directories listed in your path were found to be non-existent: {PosixPath('printf "\\033]0;%s@%s'), PosixPath('%s\\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}";/etc/sysconfig/bash-prompt-history')}
  warn(
CUDA_SETUP: WARNING! libcudart.so not found in any environmental path. Searching /usr/local/cuda/lib64...
CUDA SETUP: CUDA runtime path found: /usr/local/cuda/lib64/libcudart.so
CUDA SETUP: Highest compute capability among GPUs detected: 7.0
CUDA SETUP: CUDA version lower than 11 are currenlty not supported for LLM.int8(). You will be only to use 8-bit optimizers and quantization routines!!
CUDA SETUP: Detected CUDA version 102
CUDA SETUP: Loading binary /xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/libbitsandbytes_cuda102_nocublaslt.so...
---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
<ipython-input-1-b6686ac3a796> in <module>
----> 1 import bitsandbytes as bnb

~/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/__init__.py in <module>
      4 # LICENSE file in the root directory of this source tree.
      5
----> 6 from .autograd._functions import (
      7     MatmulLtState,
      8     bmm_cublas,

~/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/autograd/_functions.py in <module>
      3
      4 import torch
----> 5 import bitsandbytes.functional as F
      6
      7 from dataclasses import dataclass

~/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/functional.py in <module>
     11 from torch import Tensor
     12
---> 13 from .cextension import COMPILED_WITH_CUDA, lib
     14 from functools import reduce  # Required in Python 3
     15

~/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/cextension.py in <module>
     39
     40
---> 41 lib = CUDALibrary_Singleton.get_instance().lib
     42 try:
     43     lib.cadam32bit_g32

~/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/cextension.py in get_instance(cls)
     35         if cls._instance is None:
     36             cls._instance = cls.__new__(cls)
---> 37             cls._instance.initialize()
     38         return cls._instance
     39

~/xxx/anaconda3/lib/python3.8/site-packages/bitsandbytes/cextension.py in initialize(self)
     29         else:
     30             print(f"CUDA SETUP: Loading binary {binary_path}...")
---> 31             self.lib = ct.cdll.LoadLibrary(binary_path)
     32
     33     @classmethod

~/xxx/anaconda3/lib/python3.8/ctypes/__init__.py in LoadLibrary(self, name)
    457
    458     def LoadLibrary(self, name):
--> 459         return self._dlltype(name)
    460
    461 cdll = LibraryLoader(CDLL)

~/xxx/anaconda3/lib/python3.8/ctypes/__init__.py in __init__(self, name, mode, handle, use_errno, use_last_error, winmode)
    379
    380         if handle is None:
--> 381             self._handle = _dlopen(self._name, mode)
    382         else:
    383             self._handle = handle

OSError: libcublas.so.11: cannot open shared object file: No such file or directory

I can not update the cuda version into 11.x. How should I solve the issue?