diff --git a/leetcode/0978.Longest-Turbulent-Subarray/978. Longest Turbulent Subarray.go b/leetcode/0978.Longest-Turbulent-Subarray/978. Longest Turbulent Subarray.go
index 60d3eace1..8a0890269 100644
--- a/leetcode/0978.Longest-Turbulent-Subarray/978. Longest Turbulent Subarray.go	
+++ b/leetcode/0978.Longest-Turbulent-Subarray/978. Longest Turbulent Subarray.go	
@@ -47,7 +47,7 @@ func maxTurbulenceSize1(A []int) int {
 			flag = lastNum - A[right]
 			lastNum = A[right]
 		} else {
-			if right != left && flag != 0 {
+			if flag != 0 {
 				res = max(res, right-left+1)
 			}
 			left++
diff --git a/website/content/ChapterFour/0978.Longest-Turbulent-Subarray.md b/website/content/ChapterFour/0978.Longest-Turbulent-Subarray.md
index e4b8bea71..43dcd7f9b 100755
--- a/website/content/ChapterFour/0978.Longest-Turbulent-Subarray.md
+++ b/website/content/ChapterFour/0978.Longest-Turbulent-Subarray.md
@@ -97,7 +97,7 @@ func maxTurbulenceSize1(A []int) int {
 			flag = lastNum - A[right]
 			lastNum = A[right]
 		} else {
-			if right != left && flag != 0 {
+			if flag != 0 {
 				res = max(res, right-left+1)
 			}
 			left++