diff --git a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Building/Steps/ConnectionStringChangeStep.cs b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Building/Steps/ConnectionStringChangeStep.cs
index 2292fed8e5..0f50a443e7 100644
--- a/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Building/Steps/ConnectionStringChangeStep.cs
+++ b/framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Building/Steps/ConnectionStringChangeStep.cs
@@ -26,7 +26,7 @@ public class ConnectionStringChangeStep : ProjectBuildPipelineStep
             return;
         }
 
-        var newConnectionString = $"\"{DefaultConnectionStringKey}\": \"{context.BuildArgs.ConnectionString}\"";
+        var newConnectionString = $"\"{DefaultConnectionStringKey}\": \"{context.BuildArgs.ConnectionString.Replace(@"\\", @"\").Replace(@"\", @"\\")}\"";
 
         foreach (var appSettingsJson in appSettingsJsonFiles)
         {