diff --git a/SDAutoLayout.podspec b/SDAutoLayout.podspec
index 1970a91..685ab33 100644
--- a/SDAutoLayout.podspec
+++ b/SDAutoLayout.podspec
@@ -1,8 +1,8 @@
 Pod::Spec.new do |s|
 
   s.name         = "SDAutoLayout"
-  s.version      = "1.50"
-  s.summary      = "The most easy way for autoLayout. Based Runtime.    1.50版本更新内容：升级了缓存机制，新版本在tableview滑动cell时候流畅度和性能提升20%以上"
+  s.version      = "1.51"
+  s.summary      = "The most easy way for autoLayout. Based Runtime.    1.51版本更新内容：修复宽度自适应label在重用时候偶尔出现的宽度计算不准确的问题"
 
   s.homepage     = "https://github.com/gsdios/SDAutoLayout"
   # s.screenshots  = "https://camo.githubusercontent.com/5d9e879c7006297b3d6e12c20c6cd1e15bf83016/687474703a2f2f7777332e73696e61696d672e636e2f626d6964646c652f39623831343665646777316578346d756b69787236673230396730376c6864742e676966"
@@ -14,7 +14,7 @@ Pod::Spec.new do |s|
   s.platform     = :ios
   s.platform     = :ios, "7.0"
 
-  s.source       = { :git => "https://github.com/gsdios/SDAutoLayout.git", :tag => "1.50"}
+  s.source       = { :git => "https://github.com/gsdios/SDAutoLayout.git", :tag => "1.51"}
 
   s.source_files  = "SDAutoLayoutDemo/SDAutoLayout/**/*.{h,m}"
 
diff --git a/SDAutoLayoutDemo.xcodeproj/project.xcworkspace/xcuserdata/aier.xcuserdatad/UserInterfaceState.xcuserstate b/SDAutoLayoutDemo.xcodeproj/project.xcworkspace/xcuserdata/aier.xcuserdatad/UserInterfaceState.xcuserstate
index 4fd8c6d..5bc1c73 100644
Binary files a/SDAutoLayoutDemo.xcodeproj/project.xcworkspace/xcuserdata/aier.xcuserdatad/UserInterfaceState.xcuserstate and b/SDAutoLayoutDemo.xcodeproj/project.xcworkspace/xcuserdata/aier.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/SDAutoLayoutDemo/SDAutoLayout/UITableView+SDAutoTableViewCellHeight.m b/SDAutoLayoutDemo/SDAutoLayout/UITableView+SDAutoTableViewCellHeight.m
index 0a89be4..d357d63 100644
--- a/SDAutoLayoutDemo/SDAutoLayout/UITableView+SDAutoTableViewCellHeight.m
+++ b/SDAutoLayoutDemo/SDAutoLayout/UITableView+SDAutoTableViewCellHeight.m
@@ -251,7 +251,7 @@ - (void)sd_reloadData
     [self sd_reloadData];
 }
 
-- (void)sd_reloadRowsAtIndexPaths:(NSArray<NSIndexPath *> *)indexPaths withRowAnimation:(UITableViewRowAnimation)animation
+- (void)sd_reloadRowsAtIndexPaths:(NSArray *)indexPaths withRowAnimation:(UITableViewRowAnimation)animation
 {
     [self.cellAutoHeightManager clearHeightCacheOfIndexPaths:indexPaths];
     [self sd_reloadRowsAtIndexPaths:indexPaths withRowAnimation:animation];