Merge branch 'dev' of https://github.com/abpframework/abp into dev

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectModification/SolutionModuleAdder.cs

@@ -106,6 +106,11 @@ namespace Volo.Abp.Cli.ProjectModification
                 return;
             }
 
+            if (string.IsNullOrWhiteSpace(startupProject))
+            {
+                startupProject = projectFiles.FirstOrDefault(p => p.EndsWith(".DbMigrator.csproj"));
+            }
+
             var dbMigrationsProject = projectFiles.FirstOrDefault(p => p.EndsWith(".DbMigrations.csproj"));
             
             if (dbMigrationsProject == null)