diff --git a/GFramework.SourceGenerators.Tests/Rule/ContextGetGeneratorTests.cs b/GFramework.SourceGenerators.Tests/Rule/ContextGetGeneratorTests.cs
index daae4e6..a69a6f1 100644
--- a/GFramework.SourceGenerators.Tests/Rule/ContextGetGeneratorTests.cs
+++ b/GFramework.SourceGenerators.Tests/Rule/ContextGetGeneratorTests.cs
@@ -234,7 +234,6 @@ public class ContextGetGeneratorTests
                              public static IReadOnlyList<T> GetModels<T>(this object contextAware) => default!;
                              public static T GetSystem<T>(this object contextAware) => default!;
                              public static T GetUtility<T>(this object contextAware) => default!;
-                             public static T GetService<T>(this object contextAware) => default!;
                          }
                      }
 
@@ -258,6 +257,7 @@ public class ContextGetGeneratorTests
                              private ICombatSystem _system = null!;
                              private IUiUtility _utility = null!;
                              private IStrategy _service = null!;
+                             private IReadOnlyList<IStrategy> _services = null!;
                              private Godot.Node _node = null!;
                          }
                      }
@@ -279,6 +279,96 @@ public class ContextGetGeneratorTests
                                         _models = this.GetModels<global::TestApp.IInventoryModel>();
                                         _system = this.GetSystem<global::TestApp.ICombatSystem>();
                                         _utility = this.GetUtility<global::TestApp.IUiUtility>();
+                                    }
+                                }
+
+                                """;
+
+        await GeneratorTest<ContextGetGenerator>.RunAsync(
+            source,
+            ("TestApp_BattlePanel.ContextGet.g.cs", expected));
+        Assert.Pass();
+    }
+
+    [Test]
+    public async Task Generates_Explicit_Service_Binding_For_GetAll_Class()
+    {
+        var source = """
+                     using System;
+                     using GFramework.SourceGenerators.Abstractions.Rule;
+
+                     namespace GFramework.SourceGenerators.Abstractions.Rule
+                     {
+                         [AttributeUsage(AttributeTargets.Class, Inherited = false)]
+                         public sealed class GetAllAttribute : Attribute { }
+
+                         [AttributeUsage(AttributeTargets.Field, Inherited = false)]
+                         public sealed class GetServiceAttribute : Attribute { }
+                     }
+
+                     namespace GFramework.Core.Abstractions.Rule
+                     {
+                         public interface IContextAware { }
+                     }
+
+                     namespace GFramework.Core.Rule
+                     {
+                         public abstract class ContextAwareBase : GFramework.Core.Abstractions.Rule.IContextAware { }
+                     }
+
+                     namespace GFramework.Core.Abstractions.Model
+                     {
+                         public interface IModel { }
+                     }
+
+                     namespace GFramework.Core.Abstractions.Systems
+                     {
+                         public interface ISystem { }
+                     }
+
+                     namespace GFramework.Core.Abstractions.Utility
+                     {
+                         public interface IUtility { }
+                     }
+
+                     namespace GFramework.Core.Extensions
+                     {
+                         public static class ContextAwareServiceExtensions
+                         {
+                             public static T GetModel<T>(this object contextAware) => default!;
+                             public static T GetService<T>(this object contextAware) => default!;
+                         }
+                     }
+
+                     namespace TestApp
+                     {
+                         public interface IInventoryModel : GFramework.Core.Abstractions.Model.IModel { }
+                         public interface IStrategy { }
+
+                         [GetAll]
+                         public partial class BattlePanel : GFramework.Core.Rule.ContextAwareBase
+                         {
+                             private IInventoryModel _model = null!;
+
+                             [GetService]
+                             private IStrategy _service = null!;
+                         }
+                     }
+                     """;
+
+        const string expected = """
+                                // <auto-generated />
+                                #nullable enable
+
+                                using GFramework.Core.Extensions;
+
+                                namespace TestApp;
+
+                                partial class BattlePanel
+                                {
+                                    private void __InjectContextBindings_Generated()
+                                    {
+                                        _model = this.GetModel<global::TestApp.IInventoryModel>();
                                         _service = this.GetService<global::TestApp.IStrategy>();
                                     }
                                 }
diff --git a/GFramework.SourceGenerators/README.md b/GFramework.SourceGenerators/README.md
index 59e3d47..94ace29 100644
--- a/GFramework.SourceGenerators/README.md
+++ b/GFramework.SourceGenerators/README.md
@@ -43,4 +43,7 @@ public partial class InventoryPanel
 }
 ```
 
-`[GetAll]` 作用于类本身，会自动扫描字段并推断对应的 `GetX` 调用；已显式标记字段的优先级更高。
+`[GetAll]` 作用于类本身，会自动扫描字段并推断 `Model`、`System`、`Utility` 相关的 `GetX` 调用；已显式标记字段的优先级更高。
+
+`Service` 和 `Services` 绑定不会在 `[GetAll]` 下自动推断。对于普通引用类型字段，请显式使用 `[GetService]` 或
+`[GetServices]`，避免将非上下文服务字段误判为服务依赖。
diff --git a/GFramework.SourceGenerators/Rule/ContextGetGenerator.cs b/GFramework.SourceGenerators/Rule/ContextGetGenerator.cs
index 55a9537..6e11580 100644
--- a/GFramework.SourceGenerators/Rule/ContextGetGenerator.cs
+++ b/GFramework.SourceGenerators/Rule/ContextGetGenerator.cs
@@ -582,12 +582,7 @@ public sealed class ContextGetGenerator : IIncrementalGenerator
                 return true;
             }
 
-            if (elementType.IsReferenceType)
-            {
-                binding = new BindingInfo(fieldSymbol, BindingKind.Services, elementType);
-                return true;
-            }
-
+            // Service collections stay opt-in for the same reason as single services.
             return false;
         }
 
@@ -609,12 +604,7 @@ public sealed class ContextGetGenerator : IIncrementalGenerator
             return true;
         }
 
-        if (fieldSymbol.Type.IsReferenceType)
-        {
-            binding = new BindingInfo(fieldSymbol, BindingKind.Service, fieldSymbol.Type);
-            return true;
-        }
-
+        // Service bindings stay opt-in because arbitrary reference types are too ambiguous to infer safely.
         return false;
     }
 
@@ -721,12 +711,11 @@ public sealed class ContextGetGenerator : IIncrementalGenerator
         if (readOnlyList is null || fieldType is not INamedTypeSymbol targetType)
             return false;
 
-        foreach (var candidateType in EnumerateCollectionTypeCandidates(targetType))
-        {
-            if (candidateType.TypeArguments.Length != 1)
-                continue;
+        var allTypeCandidates = EnumerateCollectionTypeCandidates(targetType)
+            .SelectMany(candidateType => candidateType.TypeArguments);
 
-            var candidateElementType = candidateType.TypeArguments[0];
+        foreach (var candidateElementType in allTypeCandidates)
+        {
             var expectedSourceType = readOnlyList.Construct(candidateElementType);
             if (!expectedSourceType.IsAssignableTo(targetType))
                 continue;