diff --git a/examples/dfLowMachFoam/2DSandiaD_flareFGM/ReadMe b/examples/dfLowMachFoam/2DSandiaD_flareFGM/ReadMe
index c79dcdeb..3a7a725c 100644
--- a/examples/dfLowMachFoam/2DSandiaD_flareFGM/ReadMe
+++ b/examples/dfLowMachFoam/2DSandiaD_flareFGM/ReadMe
@@ -1 +1 @@
-The FGM table for testing case is avaliable at https://disk.pku.edu.cn:443/link/A87B4F5873160741AFB8C9856916B0BB.
+The FGM table for testing case is avaliable at https://aisquare.oss-us-east-1.aliyuncs.com/data/datasets/14b50df5-dbe9-4f1c-bf58-032b8bc40a20
diff --git a/src/dfChemistryModel/dfChemistryModel.C b/src/dfChemistryModel/dfChemistryModel.C
index ee57bbb5..1cf15006 100644
--- a/src/dfChemistryModel/dfChemistryModel.C
+++ b/src/dfChemistryModel/dfChemistryModel.C
@@ -73,7 +73,7 @@ Foam::dfChemistryModel<ThermoType>::dfChemistryModel
     (
         IOobject
         (
-            "Z",
+            "mixfrac",
             mesh_.time().timeName(),
             mesh_,
             IOobject::NO_READ,