resolved #161

Author: ymh199478

src/CatLib.Core.Tests/Support/Container/ContainerTests.cs

@@ -2783,6 +2783,16 @@ public void TestGivenInvalidTypeNotSupportNullInject()
                 .Needs("$container").Given(() => null);
             container.Make<TestGivenInvalidTypeClass>();
         }
+
+        [TestMethod]
+        [ExpectedException(typeof(LogicException))]
+        public void TestSetAliasIsService()
+        {
+            var container = new Container();
+            container.Bind("abc", (c, p) => 1, false);
+            container.Bind("ccc", (c, p) => 1, false);
+            container.Alias("abc", "ccc");
+        }
         #endregion
 
         /// <summary>

src/CatLib.Core/Support/Container/Container.cs

@@ -350,6 +350,11 @@ public IContainer Alias(string alias, string service)
                     throw new LogicException($"Alias [{alias}] is already exists.");
                 }
 
+                if (binds.ContainsKey(alias))
+                {
+                    throw new LogicException($"Alias [{alias}] has been used for service name.");
+                }
+
                 if (!binds.ContainsKey(service) && !instances.ContainsKey(service))
                 {
                     throw new CodeStandardException(