doc: make badge clickable

Author: ikesnowy

README.md

@@ -1,8 +1,7 @@
 English | [简体中文](https://github.com/cnblogs/dashscope-sdk/blob/main/README.zh-Hans.md)
 
-![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.Sdk?style=flat&logo=nuget&label=Cnblogs.DashScope.Sdk)
-
-![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.AspNetCore?style=flat&logo=nuget&label=Cnblogs.DashScope.AspNetCore)
+![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.Sdk?style=flat&logo=nuget&label=Cnblogs.DashScope.Sdk&link=https%3A%2F%2Fwww.nuget.org%2Fpackages%2FCnblogs.DashScope.Sdk)
+![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.AspNetCore?style=flat&logo=nuget&label=Cnblogs.DashScope.AspNetCore&link=https%3A%2F%2Fwww.nuget.org%2Fpackages%2FCnblogs.DashScope.AspNetCore)
 
 # Cnblogs.DashScopeSDK
 

README.zh-Hans.md

@@ -1,8 +1,7 @@
 [English](https://github.com/cnblogs/dashscope-sdk/blob/main/README.md) | 简体中文
 
-![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.Sdk?style=flat&logo=nuget&label=Cnblogs.DashScope.Sdk)
-
-![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.AspNetCore?style=flat&logo=nuget&label=Cnblogs.DashScope.AspNetCore)
+![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.Sdk?style=flat&logo=nuget&label=Cnblogs.DashScope.Sdk&link=https%3A%2F%2Fwww.nuget.org%2Fpackages%2FCnblogs.DashScope.Sdk)
+![NuGet Version](https://img.shields.io/nuget/v/Cnblogs.DashScope.AspNetCore?style=flat&logo=nuget&label=Cnblogs.DashScope.AspNetCore&link=https%3A%2F%2Fwww.nuget.org%2Fpackages%2FCnblogs.DashScope.AspNetCore)
 
 # Cnblogs.DashScopeSDK