diff --git a/BasicScientficResearch/ambertools-21/ambertools-21.sh b/BasicScientficResearch/ambertools-21/ambertools-21.sh
index 11e2b4304c2a6d27089efe9522edd4c1abbbd760..2f28d72879ea82ebb9321969a206701dafadc53e 100644
--- a/BasicScientficResearch/ambertools-21/ambertools-21.sh
+++ b/BasicScientficResearch/ambertools-21/ambertools-21.sh
@@ -33,7 +33,7 @@ cd "$buildpath"/amber20_src
 patch -p2 <./cmake.defaults.patch
 cd build/
 export CMAKE_PREFIX_PATH=$installpath/openblas
-FLAGS="-mcpu=tsv110  -I$installpath/hmpi-1.1.1/hmpi-1.1.1-huawei/include"
+FLAGS="-mcpu=tsv110 -ffp-contract=off -I$installpath/hmpi-1.1.1/hmpi-1.1.1-huawei/include"
 cmake .. \
     -DCMAKE_INSTALL_PREFIX="$installpath"/ambertools21 \
     -DCOMPILER=AUTO \
diff --git "a/BasicScientficResearch/ambertools-21/doc/AmberTools-21\345\272\224\347\224\250\347\247\273\346\244\215\346\214\207\345\215\227.docx" "b/BasicScientficResearch/ambertools-21/doc/AmberTools-21\345\272\224\347\224\250\347\247\273\346\244\215\346\214\207\345\215\227.docx"
index b8d6cf03057954fbc34b9c91e047897a9792ca6c..6a4b76c96c41cd073f2b722ac2e4de69a8b4ce90 100644
Binary files "a/BasicScientficResearch/ambertools-21/doc/AmberTools-21\345\272\224\347\224\250\347\247\273\346\244\215\346\214\207\345\215\227.docx" and "b/BasicScientficResearch/ambertools-21/doc/AmberTools-21\345\272\224\347\224\250\347\247\273\346\244\215\346\214\207\345\215\227.docx" differ
diff --git "a/BasicScientficResearch/ambertools-21/doc/Devkit\346\212\245\345\221\212/AmberTools-21 Devkit\350\277\201\347\247\273\344\270\216\350\260\203\344\274\230\346\212\245\345\221\212.docx" "b/BasicScientficResearch/ambertools-21/doc/Devkit\346\212\245\345\221\212/AmberTools-21 Devkit\350\277\201\347\247\273\344\270\216\350\260\203\344\274\230\346\212\245\345\221\212.docx"
index e2fe65655513d8b07eee3724049617b0567ba37e..661dc8c8aa83420c80a97d29f7ca3fd3164a42dc 100644
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