diff --git a/GFramework.Game.Tests/Config/YamlConfigTableRegistrationOptionsTests.cs b/GFramework.Game.Tests/Config/YamlConfigTableRegistrationOptionsTests.cs
new file mode 100644
index 00000000..b2d01d72
--- /dev/null
+++ b/GFramework.Game.Tests/Config/YamlConfigTableRegistrationOptionsTests.cs
@@ -0,0 +1,46 @@
+using GFramework.Game.Config;
+
+namespace GFramework.Game.Tests.Config;
+
+/// <summary>
+///     验证 YAML 配置表注册选项会在构造阶段建立最小不变量，避免非法路径状态继续向后传播。
+/// </summary>
+[TestFixture]
+public class YamlConfigTableRegistrationOptionsTests
+{
+    /// <summary>
+    ///     验证构造函数会拒绝空的或仅空白字符的表名。
+    /// </summary>
+    /// <param name="tableName">待验证的表名。</param>
+    [TestCase(null)]
+    [TestCase("")]
+    [TestCase("   ")]
+    public void Constructor_Should_Throw_When_Table_Name_Is_Null_Or_Whitespace(string? tableName)
+    {
+        var exception = Assert.Throws<ArgumentException>(() =>
+            _ = new YamlConfigTableRegistrationOptions<int, string>(
+                tableName!,
+                "monster",
+                static config => config.Length));
+
+        Assert.That(exception!.ParamName, Is.EqualTo("tableName"));
+    }
+
+    /// <summary>
+    ///     验证构造函数会拒绝空的或仅空白字符的相对目录路径。
+    /// </summary>
+    /// <param name="relativePath">待验证的相对目录路径。</param>
+    [TestCase(null)]
+    [TestCase("")]
+    [TestCase("   ")]
+    public void Constructor_Should_Throw_When_Relative_Path_Is_Null_Or_Whitespace(string? relativePath)
+    {
+        var exception = Assert.Throws<ArgumentException>(() =>
+            _ = new YamlConfigTableRegistrationOptions<int, string>(
+                "monster",
+                relativePath!,
+                static config => config.Length));
+
+        Assert.That(exception!.ParamName, Is.EqualTo("relativePath"));
+    }
+}
\ No newline at end of file
diff --git a/GFramework.Game/Config/YamlConfigLoader.cs b/GFramework.Game/Config/YamlConfigLoader.cs
index 6b15d3e5..491505fd 100644
--- a/GFramework.Game/Config/YamlConfigLoader.cs
+++ b/GFramework.Game/Config/YamlConfigLoader.cs
@@ -161,6 +161,10 @@ public sealed class YamlConfigLoader : IConfigLoader
     /// <param name="keySelector">配置项主键提取器。</param>
     /// <param name="comparer">可选主键比较器。</param>
     /// <returns>当前加载器实例，以便链式注册。</returns>
+    /// <exception cref="ArgumentException">
+    ///     当 <paramref name="tableName" /> 或 <paramref name="relativePath" /> 为 null、空字符串或空白字符串时抛出。
+    /// </exception>
+    /// <exception cref="ArgumentNullException">当 <paramref name="keySelector" /> 为 null 时抛出。</exception>
     public YamlConfigLoader RegisterTable<TKey, TValue>(
         string tableName,
         string relativePath,
@@ -188,6 +192,11 @@ public sealed class YamlConfigLoader : IConfigLoader
     /// <param name="keySelector">配置项主键提取器。</param>
     /// <param name="comparer">可选主键比较器。</param>
     /// <returns>当前加载器实例，以便链式注册。</returns>
+    /// <exception cref="ArgumentException">
+    ///     当 <paramref name="tableName" />、<paramref name="relativePath" /> 或 <paramref name="schemaRelativePath" />
+    ///     为 null、空字符串或空白字符串时抛出。
+    /// </exception>
+    /// <exception cref="ArgumentNullException">当 <paramref name="keySelector" /> 为 null 时抛出。</exception>
     public YamlConfigLoader RegisterTable<TKey, TValue>(
         string tableName,
         string relativePath,
@@ -214,6 +223,11 @@ public sealed class YamlConfigLoader : IConfigLoader
     /// <param name="options">配置表注册选项。</param>
     /// <returns>当前加载器实例，以便链式注册。</returns>
     /// <exception cref="ArgumentNullException">当 <paramref name="options" /> 为空时抛出。</exception>
+    /// <exception cref="ArgumentException">
+    ///     当 <paramref name="options" /> 内的 <see cref="YamlConfigTableRegistrationOptions{TKey, TValue}.TableName" />、
+    ///     <see cref="YamlConfigTableRegistrationOptions{TKey, TValue}.RelativePath" /> 或
+    ///     <see cref="YamlConfigTableRegistrationOptions{TKey, TValue}.SchemaRelativePath" /> 为 null、空字符串或空白字符串时抛出。
+    /// </exception>
     public YamlConfigLoader RegisterTable<TKey, TValue>(YamlConfigTableRegistrationOptions<TKey, TValue> options)
         where TKey : notnull
     {
diff --git a/GFramework.Game/Config/YamlConfigTableRegistrationOptions.cs b/GFramework.Game/Config/YamlConfigTableRegistrationOptions.cs
index 16f1a7b7..0f34687d 100644
--- a/GFramework.Game/Config/YamlConfigTableRegistrationOptions.cs
+++ b/GFramework.Game/Config/YamlConfigTableRegistrationOptions.cs
@@ -10,18 +10,34 @@ namespace GFramework.Game.Config;
 public sealed class YamlConfigTableRegistrationOptions<TKey, TValue>
     where TKey : notnull
 {
+    private const string TableNameCannotBeNullOrWhiteSpaceMessage = "Table name cannot be null or whitespace.";
+    private const string RelativePathCannotBeNullOrWhiteSpaceMessage = "Relative path cannot be null or whitespace.";
+
     /// <summary>
     ///     使用最小必需参数创建配置表注册选项。
     /// </summary>
     /// <param name="tableName">运行时配置表名称。</param>
     /// <param name="relativePath">相对配置根目录的子目录。</param>
     /// <param name="keySelector">配置项主键提取器。</param>
+    /// <exception cref="ArgumentException">
+    ///     当 <paramref name="tableName" /> 或 <paramref name="relativePath" /> 为 null、空字符串或空白字符串时抛出。
+    /// </exception>
     /// <exception cref="ArgumentNullException">当 <paramref name="keySelector" /> 为 null 时抛出。</exception>
     public YamlConfigTableRegistrationOptions(
         string tableName,
         string relativePath,
         Func<TValue, TKey> keySelector)
     {
+        if (string.IsNullOrWhiteSpace(tableName))
+        {
+            throw new ArgumentException(TableNameCannotBeNullOrWhiteSpaceMessage, nameof(tableName));
+        }
+
+        if (string.IsNullOrWhiteSpace(relativePath))
+        {
+            throw new ArgumentException(RelativePathCannotBeNullOrWhiteSpaceMessage, nameof(relativePath));
+        }
+
         ArgumentNullException.ThrowIfNull(keySelector);
 
         TableName = tableName;
diff --git a/GFramework.SourceGenerators.Tests/Config/SchemaConfigGeneratorTests.cs b/GFramework.SourceGenerators.Tests/Config/SchemaConfigGeneratorTests.cs
index 507bf36f..9c777f4c 100644
--- a/GFramework.SourceGenerators.Tests/Config/SchemaConfigGeneratorTests.cs
+++ b/GFramework.SourceGenerators.Tests/Config/SchemaConfigGeneratorTests.cs
@@ -91,4 +91,144 @@ public class SchemaConfigGeneratorTests
             Assert.That(diagnostic.GetMessage(), Does.Contain("array<array>"));
         });
     }
+
+    /// <summary>
+    ///     验证 schema 字段名无法映射为合法 C# 标识符时会直接给出诊断，而不是生成不可编译代码。
+    /// </summary>
+    [Test]
+    public void Run_Should_Report_Diagnostic_When_Schema_Key_Maps_To_Invalid_CSharp_Identifier()
+    {
+        const string source = """
+                              namespace TestApp
+                              {
+                                  public sealed class Dummy
+                                  {
+                                  }
+                              }
+                              """;
+
+        const string schema = """
+                              {
+                                "type": "object",
+                                "required": ["id", "drop$item"],
+                                "properties": {
+                                  "id": { "type": "integer" },
+                                  "drop$item": { "type": "string" }
+                                }
+                              }
+                              """;
+
+        var result = SchemaGeneratorTestDriver.Run(
+            source,
+            ("monster.schema.json", schema));
+
+        var diagnostic = result.Results.Single().Diagnostics.Single();
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(diagnostic.Id, Is.EqualTo("GF_ConfigSchema_006"));
+            Assert.That(diagnostic.Severity, Is.EqualTo(DiagnosticSeverity.Error));
+            Assert.That(diagnostic.GetMessage(), Does.Contain("drop$item"));
+            Assert.That(diagnostic.GetMessage(), Does.Contain("Drop$item"));
+        });
+    }
+
+    /// <summary>
+    ///     验证引用元数据成员名在不同路径规范化后发生碰撞时，生成器仍会分配全局唯一的成员名。
+    /// </summary>
+    [Test]
+    public void Run_Should_Assign_Globally_Unique_Reference_Metadata_Member_Names()
+    {
+        const string source = """
+                              using System;
+                              using System.Collections.Generic;
+
+                              namespace GFramework.Game.Abstractions.Config
+                              {
+                                  public interface IConfigTable
+                                  {
+                                      Type KeyType { get; }
+                                      Type ValueType { get; }
+                                      int Count { get; }
+                                  }
+
+                                  public interface IConfigTable<TKey, TValue> : IConfigTable
+                                      where TKey : notnull
+                                  {
+                                      TValue Get(TKey key);
+                                      bool TryGet(TKey key, out TValue? value);
+                                      bool ContainsKey(TKey key);
+                                      IReadOnlyCollection<TValue> All();
+                                  }
+
+                                  public interface IConfigRegistry
+                                  {
+                                      IConfigTable<TKey, TValue> GetTable<TKey, TValue>(string name)
+                                          where TKey : notnull;
+
+                                      bool TryGetTable<TKey, TValue>(string name, out IConfigTable<TKey, TValue>? table)
+                                          where TKey : notnull;
+                                  }
+                              }
+
+                              namespace GFramework.Game.Config
+                              {
+                                  public sealed class YamlConfigLoader
+                                  {
+                                      public YamlConfigLoader RegisterTable<TKey, TValue>(
+                                          string tableName,
+                                          string relativePath,
+                                          string schemaRelativePath,
+                                          Func<TValue, TKey> keySelector,
+                                          IEqualityComparer<TKey>? comparer = null)
+                                          where TKey : notnull
+                                      {
+                                          return this;
+                                      }
+                                  }
+                              }
+                              """;
+
+        const string schema = """
+                              {
+                                "type": "object",
+                                "required": ["id"],
+                                "properties": {
+                                  "id": { "type": "integer" },
+                                  "drop-items": {
+                                    "type": "array",
+                                    "items": { "type": "string" },
+                                    "x-gframework-ref-table": "item"
+                                  },
+                                  "drop_items": {
+                                    "type": "array",
+                                    "items": { "type": "string" },
+                                    "x-gframework-ref-table": "item"
+                                  },
+                                  "dropItems1": {
+                                    "type": "string",
+                                    "x-gframework-ref-table": "item"
+                                  }
+                                }
+                              }
+                              """;
+
+        var result = SchemaGeneratorTestDriver.Run(
+            source,
+            ("monster.schema.json", schema));
+
+        var generatedSources = result.Results
+            .Single()
+            .GeneratedSources
+            .ToDictionary(
+                static sourceResult => sourceResult.HintName,
+                static sourceResult => sourceResult.SourceText.ToString(),
+                StringComparer.Ordinal);
+
+        Assert.That(result.Results.Single().Diagnostics, Is.Empty);
+        Assert.That(generatedSources.TryGetValue("MonsterConfigBindings.g.cs", out var bindingsSource), Is.True);
+        Assert.That(bindingsSource, Does.Contain("public static readonly ReferenceMetadata DropItems ="));
+        Assert.That(bindingsSource, Does.Contain("public static readonly ReferenceMetadata DropItems1 ="));
+        Assert.That(bindingsSource, Does.Contain("public static readonly ReferenceMetadata DropItems11 ="));
+    }
 }
\ No newline at end of file
diff --git a/GFramework.SourceGenerators/AnalyzerReleases.Unshipped.md b/GFramework.SourceGenerators/AnalyzerReleases.Unshipped.md
index 356e4cbe..1f5a1cc8 100644
--- a/GFramework.SourceGenerators/AnalyzerReleases.Unshipped.md
+++ b/GFramework.SourceGenerators/AnalyzerReleases.Unshipped.md
@@ -20,6 +20,7 @@
  GF_ConfigSchema_003   | GFramework.SourceGenerators.Config | Error    | ConfigSchemaDiagnostics 
  GF_ConfigSchema_004   | GFramework.SourceGenerators.Config | Error    | ConfigSchemaDiagnostics 
  GF_ConfigSchema_005   | GFramework.SourceGenerators.Config | Error    | ConfigSchemaDiagnostics 
+ GF_ConfigSchema_006   | GFramework.SourceGenerators.Config | Error    | ConfigSchemaDiagnostics 
  GF_Priority_001       | GFramework.Priority                | Error    | PriorityDiagnostic      
  GF_Priority_002       | GFramework.Priority                | Warning  | PriorityDiagnostic      
  GF_Priority_003       | GFramework.Priority                | Error    | PriorityDiagnostic      
diff --git a/GFramework.SourceGenerators/Config/SchemaConfigGenerator.cs b/GFramework.SourceGenerators/Config/SchemaConfigGenerator.cs
index 7ee0770f..dc33408f 100644
--- a/GFramework.SourceGenerators/Config/SchemaConfigGenerator.cs
+++ b/GFramework.SourceGenerators/Config/SchemaConfigGenerator.cs
@@ -253,7 +253,10 @@ public sealed class SchemaConfigGenerator : IIncrementalGenerator
         var title = TryGetMetadataString(property.Value, "title");
         var description = TryGetMetadataString(property.Value, "description");
         var refTableName = TryGetMetadataString(property.Value, "x-gframework-ref-table");
-        var propertyName = ToPascalCase(property.Name);
+        if (!TryBuildPropertyIdentifier(filePath, displayPath, property.Name, out var propertyName, out var diagnostic))
+        {
+            return ParsedPropertyResult.FromDiagnostic(diagnostic!);
+        }
 
         switch (schemaType)
         {
@@ -934,26 +937,37 @@ public sealed class SchemaConfigGenerator : IIncrementalGenerator
     /// <returns>生成期引用元数据集合。</returns>
     private static IEnumerable<GeneratedReferenceSpec> CollectReferenceSpecs(SchemaObjectSpec rootObject)
     {
-        var memberNameCounts = new Dictionary<string, int>(StringComparer.Ordinal);
+        var nextSuffixByBaseMemberName = new Dictionary<string, int>(StringComparer.Ordinal);
+        var allocatedMemberNames = new HashSet<string>(StringComparer.Ordinal);
 
         foreach (var referenceSeed in EnumerateReferenceSeeds(rootObject.Properties))
         {
             var baseMemberName = BuildReferenceMemberName(referenceSeed.DisplayPath);
-            if (memberNameCounts.TryGetValue(baseMemberName, out var duplicateCount))
+            var memberName = baseMemberName;
+            if (!allocatedMemberNames.Add(memberName))
             {
-                // Reuse the tracked duplicate count so repeated reference paths keep their generated member names stable.
-                duplicateCount++;
-                memberNameCounts[baseMemberName] = duplicateCount;
-                baseMemberName =
-                    $"{baseMemberName}{duplicateCount.ToString(CultureInfo.InvariantCulture)}";
+                // Track globally allocated member names because a suffixed duplicate from one path can collide
+                // with the unsuffixed base name produced by a later, different path.
+                var duplicateCount = nextSuffixByBaseMemberName.TryGetValue(baseMemberName, out var nextSuffix)
+                    ? nextSuffix + 1
+                    : 1;
+
+                memberName = $"{baseMemberName}{duplicateCount.ToString(CultureInfo.InvariantCulture)}";
+                while (!allocatedMemberNames.Add(memberName))
+                {
+                    duplicateCount++;
+                    memberName = $"{baseMemberName}{duplicateCount.ToString(CultureInfo.InvariantCulture)}";
+                }
+
+                nextSuffixByBaseMemberName[baseMemberName] = duplicateCount;
             }
             else
             {
-                memberNameCounts[baseMemberName] = 0;
+                nextSuffixByBaseMemberName[baseMemberName] = 0;
             }
 
             yield return new GeneratedReferenceSpec(
-                baseMemberName,
+                memberName,
                 referenceSeed.DisplayPath,
                 referenceSeed.ReferencedTableName,
                 referenceSeed.ValueSchemaType,
@@ -1165,6 +1179,40 @@ public sealed class SchemaConfigGenerator : IIncrementalGenerator
         builder.AppendLine($"{indent}/// </remarks>");
     }
 
+    /// <summary>
+    ///     将 schema 字段名转换并验证为生成代码可直接使用的属性标识符。
+    ///     生成器会在这里拒绝无法映射为合法 C# 标识符的外部输入，避免生成源码后才在编译阶段失败。
+    /// </summary>
+    /// <param name="filePath">Schema 文件路径。</param>
+    /// <param name="displayPath">逻辑字段路径。</param>
+    /// <param name="schemaName">Schema 原始字段名。</param>
+    /// <param name="propertyName">生成后的属性名。</param>
+    /// <param name="diagnostic">字段名非法时生成的诊断。</param>
+    /// <returns>是否成功生成合法属性标识符。</returns>
+    private static bool TryBuildPropertyIdentifier(
+        string filePath,
+        string displayPath,
+        string schemaName,
+        out string propertyName,
+        out Diagnostic? diagnostic)
+    {
+        propertyName = ToPascalCase(schemaName);
+        if (SyntaxFacts.IsValidIdentifier(propertyName))
+        {
+            diagnostic = null;
+            return true;
+        }
+
+        diagnostic = Diagnostic.Create(
+            ConfigSchemaDiagnostics.InvalidGeneratedIdentifier,
+            CreateFileLocation(filePath),
+            Path.GetFileName(filePath),
+            displayPath,
+            schemaName,
+            propertyName);
+        return false;
+    }
+
     /// <summary>
     ///     从 schema 文件路径提取实体基础名。
     /// </summary>
diff --git a/GFramework.SourceGenerators/Diagnostics/ConfigSchemaDiagnostics.cs b/GFramework.SourceGenerators/Diagnostics/ConfigSchemaDiagnostics.cs
index 9229868f..b03057a1 100644
--- a/GFramework.SourceGenerators/Diagnostics/ConfigSchemaDiagnostics.cs
+++ b/GFramework.SourceGenerators/Diagnostics/ConfigSchemaDiagnostics.cs
@@ -63,4 +63,15 @@ public static class ConfigSchemaDiagnostics
         SourceGeneratorsConfigCategory,
         DiagnosticSeverity.Error,
         true);
+
+    /// <summary>
+    ///     schema 字段名无法安全映射为 C# 标识符。
+    /// </summary>
+    public static readonly DiagnosticDescriptor InvalidGeneratedIdentifier = new(
+        "GF_ConfigSchema_006",
+        "Config schema property name cannot be converted to a valid C# identifier",
+        "Property '{1}' in schema file '{0}' uses schema key '{2}', which generates invalid C# identifier '{3}'",
+        SourceGeneratorsConfigCategory,
+        DiagnosticSeverity.Error,
+        true);
 }
\ No newline at end of file