diff --git a/src/EasyCaching.Core/EasyCaching.Core.csproj b/src/EasyCaching.Core/EasyCaching.Core.csproj
index 8503bda9..23d900fc 100644
--- a/src/EasyCaching.Core/EasyCaching.Core.csproj
+++ b/src/EasyCaching.Core/EasyCaching.Core.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>   
     <Owners>Catcher Wong</Owners>
     <Authors>Catcher Wong</Authors>    
-    <Version>0.2.0</Version>
+    <Version>0.2.1</Version>
     <Description>          
       EasyCaching is a open source caching library that contains basic usages and some advanced usages of caching which can help us to handle caching more easier!
     </Description>
@@ -15,7 +15,8 @@
     <ProjectUrl>https://github.com/dotnetcore/EasyCaching</ProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/dotnetcore/EasyCaching/master/media/nuget-icon.png</PackageIconUrl>
     <PackageReleaseNotes>      
-      Add GetCount and Flush for providers.
+      1. Add FlushAsync for providers.
+      2. Add BaseProviderOptions.
     </PackageReleaseNotes>
   </PropertyGroup>
 
diff --git a/src/EasyCaching.HybridCache/EasyCaching.HybridCache.csproj b/src/EasyCaching.HybridCache/EasyCaching.HybridCache.csproj
index b99ddce5..b7563487 100644
--- a/src/EasyCaching.HybridCache/EasyCaching.HybridCache.csproj
+++ b/src/EasyCaching.HybridCache/EasyCaching.HybridCache.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <Owners>Catcher Wong</Owners>
     <Authors>Catcher Wong</Authors>    
-    <Version>0.2.0</Version>
+    <Version>0.2.1</Version>
     <Description>    
       EasyCaching.HybridCache combines local caching and distributed caching.           
     </Description>
@@ -15,7 +15,8 @@
     <ProjectUrl>https://github.com/dotnetcore/EasyCaching</ProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/dotnetcore/EasyCaching/master/media/nuget-icon.png</PackageIconUrl>
     <PackageReleaseNotes> 
-      Implement GetCount and Flush.
+      1. Refactor;
+      2. Simplify the configuration of Hybrid;
     </PackageReleaseNotes>
   </PropertyGroup>
 
diff --git a/src/EasyCaching.InMemory/EasyCaching.InMemory.csproj b/src/EasyCaching.InMemory/EasyCaching.InMemory.csproj
index 6b654166..33f3dfd7 100644
--- a/src/EasyCaching.InMemory/EasyCaching.InMemory.csproj
+++ b/src/EasyCaching.InMemory/EasyCaching.InMemory.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <Owners>Catcher Wong</Owners>
     <Authors>Catcher Wong</Authors>    
-    <Version>0.2.0</Version>
+    <Version>0.2.1</Version>
     <Description>
       In-memory cache based on EasyCaching.Core and Microsoft.Extensions.Caching.Memory      
     </Description>
@@ -15,7 +15,8 @@
     <ProjectUrl>https://github.com/dotnetcore/EasyCaching</ProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/dotnetcore/EasyCaching/master/media/nuget-icon.png</PackageIconUrl>
     <PackageReleaseNotes>
-      Implement GetCount and Flush.
+      1. Implement FlushAsync.
+      2. Add a new ServiceCollectionExtension method.
     </PackageReleaseNotes>
   </PropertyGroup>
 
diff --git a/src/EasyCaching.Memcached/EasyCaching.Memcached.csproj b/src/EasyCaching.Memcached/EasyCaching.Memcached.csproj
index 9b0a2279..f2b66dd2 100644
--- a/src/EasyCaching.Memcached/EasyCaching.Memcached.csproj
+++ b/src/EasyCaching.Memcached/EasyCaching.Memcached.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <Owners>Catcher Wong</Owners>
     <Authors>Catcher Wong</Authors>    
-    <Version>0.2.0</Version>
+    <Version>0.2.1</Version>
     <Description>
       EasyCaching.Memcached based on EasyCaching.Core and EnyimMemcachedCore
     </Description>
@@ -15,7 +15,8 @@
     <ProjectUrl>https://github.com/dotnetcore/EasyCaching</ProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/dotnetcore/EasyCaching/master/media/nuget-icon.png</PackageIconUrl>
     <PackageReleaseNotes>      
-      Implement GetCount and Flush.
+      1. Implement FlushAsync.
+      2. Add a new ServiceCollectionExtension method.
     </PackageReleaseNotes>
   </PropertyGroup>
 
diff --git a/src/EasyCaching.Redis/EasyCaching.Redis.csproj b/src/EasyCaching.Redis/EasyCaching.Redis.csproj
index b6f64daa..0aa1e06a 100644
--- a/src/EasyCaching.Redis/EasyCaching.Redis.csproj
+++ b/src/EasyCaching.Redis/EasyCaching.Redis.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <Owners>Catcher Wong</Owners>
     <Authors>Catcher Wong</Authors>    
-    <Version>0.2.0</Version>
+    <Version>0.2.1</Version>
     <Description>      
       EasyCaching.Redis based on EasyCaching.Core and StackExchange.Redis
     </Description>
@@ -15,7 +15,8 @@
     <ProjectUrl>https://github.com/dotnetcore/EasyCaching</ProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/dotnetcore/EasyCaching/master/media/nuget-icon.png</PackageIconUrl>
     <PackageReleaseNotes>      
-     Implement GetCount and Flush.
+      1. Implement FlushAsync.
+      2. Add a new ServiceCollectionExtension method.
     </PackageReleaseNotes>
   </PropertyGroup>
 
diff --git a/src/EasyCaching.ResponseCaching/EasyCaching.ResponseCaching.csproj b/src/EasyCaching.ResponseCaching/EasyCaching.ResponseCaching.csproj
index efea07c7..7fcd2c99 100644
--- a/src/EasyCaching.ResponseCaching/EasyCaching.ResponseCaching.csproj
+++ b/src/EasyCaching.ResponseCaching/EasyCaching.ResponseCaching.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>netstandard2.0</TargetFramework>
     <Owners>Catcher Wong</Owners>
     <Authors>Catcher Wong</Authors>    
-    <Version>0.1.0</Version>
+    <Version>0.1.1</Version>
     <Description>      
       EasyCaching.ResponseCaching based on EasyCaching.Core and Microsoft.AspNetCore.ResponseCaching
     </Description>
@@ -15,7 +15,7 @@
     <ProjectUrl>https://github.com/dotnetcore/EasyCaching</ProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/dotnetcore/EasyCaching/master/media/nuget-icon.png</PackageIconUrl>
     <PackageReleaseNotes>      
-     Init.
+     Use pattern matching to simplify something.
     </PackageReleaseNotes>
   </PropertyGroup>
 
diff --git a/src/EasyCaching.SQLite/EasyCaching.SQLite.csproj b/src/EasyCaching.SQLite/EasyCaching.SQLite.csproj
index 9c35ecc6..c111be7f 100644
--- a/src/EasyCaching.SQLite/EasyCaching.SQLite.csproj
+++ b/src/EasyCaching.SQLite/EasyCaching.SQLite.csproj
@@ -15,7 +15,8 @@
     <ProjectUrl>https://github.com/dotnetcore/EasyCaching</ProjectUrl>
     <PackageIconUrl>https://raw.githubusercontent.com/dotnetcore/EasyCaching/master/media/nuget-icon.png</PackageIconUrl>
     <PackageReleaseNotes>
-      Implement GetCount and Flush.
+      1. Implement FlushAsync.
+      2. Add a new ServiceCollectionExtension method.
     </PackageReleaseNotes>
   </PropertyGroup>