Handle zh culture in `IsCompatibleCulture` method.

framework/src/Volo.Abp.Core/Volo/Abp/Localization/CultureHelper.cs

@@ -60,7 +60,7 @@ public static class CultureHelper
     {
         return new CultureInfo(cultureName).Parent.Name;
     }
-    
+
     public static bool IsCompatibleCulture(
         string sourceCultureName,
         string targetCultureName)
@@ -70,6 +70,20 @@ public static class CultureHelper
             return true;
         }
 
+        if (sourceCultureName.StartsWith("zh") && targetCultureName.StartsWith("zh"))
+        {
+            var culture = new CultureInfo(targetCultureName);
+            do
+            {
+                if (culture.Name == sourceCultureName)
+                {
+                    return true;
+                }
+
+                culture = new CultureInfo(culture.Name).Parent;
+            } while (!culture.Equals(CultureInfo.InvariantCulture));
+        }
+
         if (sourceCultureName.Contains("-"))
         {
             return false;

framework/test/Volo.Abp.Core.Tests/Volo/Abp/Localization/CultureHelper_Tests.cs

@@ -13,8 +13,24 @@ public class CultureHelper_Tests
 
         CultureHelper.IsCompatibleCulture("en", "tr").ShouldBeFalse();
         CultureHelper.IsCompatibleCulture("en", "tr-TR").ShouldBeFalse();
-        
+
         CultureHelper.IsCompatibleCulture("en-US", "en").ShouldBeFalse();
         CultureHelper.IsCompatibleCulture("en-US", "en-GB").ShouldBeFalse();
+
+        CultureHelper.IsCompatibleCulture("zh", "zh-CN").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh", "zh-HK").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh", "zh-MO").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh", "zh-SG").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh", "zh-TW").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh", "zh-Hans").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh", "zh-Hant").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh-Hans", "zh-CN").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh-Hans", "zh-SG").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh-Hant", "zh-HK").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh-Hant", "zh-MO").ShouldBeTrue();
+        CultureHelper.IsCompatibleCulture("zh-Hant", "zh-TW").ShouldBeTrue();
+
+        CultureHelper.IsCompatibleCulture("zh-Hans", "zh-HK").ShouldBeFalse();
+        CultureHelper.IsCompatibleCulture("zh-Hant", "zh-SG").ShouldBeFalse();
     }
-}
+}