diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0ae5e1a1621aebc0d271eb8e7eec4f1493f743eb..203558ae4773547182af7474b288b86697f4cd80 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -48,7 +48,7 @@ git checkout -b new_branch
 
 git add .
 
-git commit --no-verif -m "Add XXX function"
+git commit --no-verify -m "Add XXX function"
 
 git push origin new_branch
 
diff --git a/examples/mpi/devkitdemo-main/Development_framework/hpc-sdk/examples/kml/math/README_en.md b/examples/mpi/devkitdemo-main/Development_framework/hpc-sdk/examples/kml/math/README_en.md
index 5b52eb916511351033f4336accb8bed86daa2d32..5e165cb968c3abbe651db0dd5b45e950aa669673 100644
--- a/examples/mpi/devkitdemo-main/Development_framework/hpc-sdk/examples/kml/math/README_en.md
+++ b/examples/mpi/devkitdemo-main/Development_framework/hpc-sdk/examples/kml/math/README_en.md
@@ -39,7 +39,7 @@ There are multiple versions of KML_MATH:
    # The MATH library of the high-performance version is used by default.
    cmake ..
    make
-   # Use the MATH library of the high-precition version.
+   # Use the MATH library of the high-precision version.
    cmake -DMATH=precision ..
    make
    ```
diff --git a/examples/mpi/devkitdemo-main/Porting_advisor/testdemo/code_migration/code/file_lock.c b/examples/mpi/devkitdemo-main/Porting_advisor/testdemo/code_migration/code/file_lock.c
index 094c51cfc955cd2bd02da31d9fdb90a93e284935..fdc3cab0508f4a8410ab4854a09d4b3bea57a6dd 100644
--- a/examples/mpi/devkitdemo-main/Porting_advisor/testdemo/code_migration/code/file_lock.c
+++ b/examples/mpi/devkitdemo-main/Porting_advisor/testdemo/code_migration/code/file_lock.c
@@ -140,7 +140,7 @@ int main()
     pthread_join(thread1, NULL);
     pthread_join(thread2, NULL);
 
-    printf("destory thread to get g_count=%d\n", g_count);
+    printf("destroy thread to get g_count=%d\n", g_count);
 
     return 0;
 }
diff --git a/examples/mpi/devkitdemo-main/hpc-sdk/examples/kml/blas/README_en.md b/examples/mpi/devkitdemo-main/hpc-sdk/examples/kml/blas/README_en.md
index 9ab53debb1e41179856ddc1f1373c3e15922b411..a7df076754d1dd2c2c49b763325973c9146208e9 100644
--- a/examples/mpi/devkitdemo-main/hpc-sdk/examples/kml/blas/README_en.md
+++ b/examples/mpi/devkitdemo-main/hpc-sdk/examples/kml/blas/README_en.md
@@ -9,7 +9,7 @@ English | [简体中文](README.md)
    has been widely used in industry and scientific computing, and has become an industry standard.
    The [KML_BLAS](https://www.hikunpeng.com/document/detail/en/kunpengaccel/math-lib/devg-kml/kunpengaccel_kml_16_0012.html)
    library provides the C language interface for BLAS functions.
-2. The **KML_BLAS library functions demo** shows a code example for KML_BLAS library functions, demonstrates   the use process of matrix multiplication, symmetric matrix multiplication, update the rank of sysmmetric matrix, etc functions.
+2. The **KML_BLAS library functions demo** shows a code example for KML_BLAS library functions, demonstrates   the use process of matrix multiplication, symmetric matrix multiplication, update the rank of symmetric matrix, etc functions.
 
 ## Dependencies
 
diff --git a/package/optimized-routines/20.02/clang/install.sh b/package/optimized-routines/20.02/clang/install.sh
index 9e417926bab48dd12bc9cdc988939aba57142564..f4e93d421bd2ce680526d7c5b9b8e85e4a818e5b 100755
--- a/package/optimized-routines/20.02/clang/install.sh
+++ b/package/optimized-routines/20.02/clang/install.sh
@@ -3,7 +3,7 @@ set -x
 set -e
 . ${DOWNLOAD_TOOL} -u https://codeload.github.com/ARM-software/optimized-routines/tar.gz/v20.02 -f optimized-routines-20.02.tar.gz
 cd ${JARVIS_TMP}
-tar zxvf ${JARVIS_DOWNLOAD}/optimized-routines-20.02.tar.gz
+tar -zxvf ${JARVIS_DOWNLOAD}/optimized-routines-20.02.tar.gz
 cd optimized-routines-20.02
 sed -i "13c\CC = clang" config.mk.dist
 sed -i "19c\HOST_CC = clang" config.mk.dist