diff --git a/tables/sydmath/sydmath.conf.in b/tables/sydmath/sydmath.conf.in
index 7babb00..16e8d99 100644
--- a/tables/sydmath/sydmath.conf.in
+++ b/tables/sydmath/sydmath.conf.in
@@ -10,9 +10,9 @@ File=table/sydmath.main.dict
 OrderPolicy=No
 AutoSelect=True
 AutoSelectLength=-1
-NoMatchAutoSelectLength=0
+NoMatchAutoSelectLength=2
 Learning=False
-ExactMatch=False
+ExactMatch=True
 UseAlternativePageKey=True
 FirstCandidateAsPreedit=True
 CommitInvalidSegment=True
@@ -35,3 +35,6 @@ Hint=True
 7=F8
 8=F9
 9=F10
+
+[Table/DefaultCandidate]
+0=enter
\ No newline at end of file