diff --git a/.gitignore b/.gitignore
index c56b2e4..906e299 100644
--- a/.gitignore
+++ b/.gitignore
@@ -118,3 +118,11 @@ Alogrithm/TestResults/dc42f77d-a2f7-41a9-8b8c-1ee3f1a82eb9/林_MI-1 2021-01-18 1
 Alogrithm/.vs/Alogrithm/v16/ipch/AutoPCH/86fa7a487ad3f37c/10_BINARYTREEPATHS.ipch
 Alogrithm/Alogrithm/Debug/10_BinaryTreePaths.obj
 Alogrithm/.vs/Alogrithm/v16/TestStore/3/003.testlog
+Alogrithm/.vs/Alogrithm/v16/TestStore/3/004.testlog
+Alogrithm/TestResults/144cb61a-baa3-4da0-95fb-e0bf9e6d2eab/林_MI-1 2021-01-18 19_16_53.coverage
+Alogrithm/TestResults/3d9377a8-b685-4a21-8848-7d3669cca121/林_MI-1 2021-01-18 19_13_43.coverage
+Alogrithm/TestResults/50443825-9432-4208-8de6-97a0cb695716/林_MI-1 2021-01-18 19_14_44.coverage
+Alogrithm/TestResults/73fe2684-c87f-4fed-a76e-55defe2fae80/林_MI-1 2021-01-18 19_13_19.coverage
+Alogrithm/TestResults/753261be-3596-4999-b094-34801e5a2f78/林_MI-1 2021-01-18 19_16_10.coverage
+Alogrithm/TestResults/96d3c488-3cf4-4755-80bf-4831762aece2/林_MI-1 2021-01-18 19_11_02.coverage
+Alogrithm/TestResults/e6445563-c87d-4be6-80a1-aa12071ee3ad/林_MI-1 2021-01-18 19_07_09.coverage
diff --git a/Alogrithm/.vs/Alogrithm/v16/.suo b/Alogrithm/.vs/Alogrithm/v16/.suo
index 1a5ce3c..fc36fd4 100644
Binary files a/Alogrithm/.vs/Alogrithm/v16/.suo and b/Alogrithm/.vs/Alogrithm/v16/.suo differ
diff --git a/Alogrithm/Alogrithm/config/3_bool IsUgly.ini b/Alogrithm/Alogrithm/config/3_bool IsUgly.ini
index 9feb0b3..d9fa78e 100644
--- a/Alogrithm/Alogrithm/config/3_bool IsUgly.ini	
+++ b/Alogrithm/Alogrithm/config/3_bool IsUgly.ini	
@@ -13,3 +13,9 @@ nExpect=1
 [Test5]
 Na=20
 nExpect=1
+[Test6]
+Na=-1
+nExpect=0
+[Test7]
+Na=2
+nExpect=1