diff --git a/Assets/Unity-Tools/ExcelResolver/Editor/Core/Util/ExcelResolverUtil.Cell.cs b/Assets/Unity-Tools/ExcelResolver/Editor/Core/Util/ExcelResolverUtil.Cell.cs
index 5c5fb20..ca3e932 100644
--- a/Assets/Unity-Tools/ExcelResolver/Editor/Core/Util/ExcelResolverUtil.Cell.cs
+++ b/Assets/Unity-Tools/ExcelResolver/Editor/Core/Util/ExcelResolverUtil.Cell.cs
@@ -8,6 +8,7 @@ namespace Tools.ExcelResolver.Editor
 {
     internal static partial class ExcelResolverUtil
     {
+        /*
         /// <summary>
         /// 读取指定行的数据
         /// </summary>
@@ -35,6 +36,19 @@ namespace Tools.ExcelResolver.Editor
                 values.Add(value);
             }
             return values;
+        }*/
+        internal static Dictionary<int, string> ReadColumn(ExcelWorksheet worksheet, int col)
+        {
+            var endRow = worksheet.Dimension.End.Row;
+            var values = new Dictionary<int, string>(endRow);
+            for (int row = 1; row <= endRow; row++)
+            {
+                // 跳过注释行
+                if (worksheet.Cells[row, 1].Text == "##" || string.IsNullOrEmpty(worksheet.Cells[row, col].Text)) continue;
+                string value = worksheet.Cells[row, col].Text.Trim();
+                values.Add(row, value);
+            }
+            return values;
         }
 
         /// <summary>
@@ -71,6 +85,7 @@ namespace Tools.ExcelResolver.Editor
                                 $"Text: '<color=cyan>{cell.Text}</color>'  ");
         }
         
+        /*
         /// <summary>
         /// 通用的单元格 -> C# 对象转换
         /// </summary>
@@ -169,6 +184,6 @@ namespace Tools.ExcelResolver.Editor
                 ? boolValue
                 : (value == "1" || value.Equals("true", StringComparison.OrdinalIgnoreCase)) },
             { "string", value => value ?? string.Empty }
-        };
+        };*/
     }
 }
\ No newline at end of file
diff --git a/Assets/Unity-Tools/ExcelResolver/Editor/ExcelResolverEditorWindow.ReadExcel.cs b/Assets/Unity-Tools/ExcelResolver/Editor/ExcelResolverEditorWindow.ReadExcel.cs
index 7635384..a770f1c 100644
--- a/Assets/Unity-Tools/ExcelResolver/Editor/ExcelResolverEditorWindow.ReadExcel.cs
+++ b/Assets/Unity-Tools/ExcelResolver/Editor/ExcelResolverEditorWindow.ReadExcel.cs
@@ -109,6 +109,14 @@ namespace Tools.ExcelResolver.Editor
                 Assert.IsTrue(configs.Length >= 2, $"'{classCodeData.className}'配置错误，SingleKeyTable只能有一个主键");
                 var key = configs[1];
                 classCodeData.keyField = classCodeData.fields.Where(f => f.Value.varName == key).Select(p => p.Value).ToArray();
+                Assert.IsTrue(classCodeData.keyField.Length == 1, $"'{classCodeData.className}'配置错误，主键字段不存在或重复");
+                var keyDict = ExcelResolverUtil.ReadColumn(worksheet, classCodeData.keyField[0].colIndex);
+                var duplicateValues = keyDict.GroupBy(x => x.Value).Where(g => g.Count() > 1);
+                foreach (var duplicateValue in duplicateValues)
+                {
+                    throw new Exception($"'{classCodeData.className}'主键字段存在重复值：'<color=cyan>{duplicateValue.Key}</color>'  " +
+                                        $"行号：{string.Join(",", duplicateValue.Select(g => g.Key))}");
+                }
             }
             else if (config.Contains("UnionMultiKeyTable"))
             {
diff --git a/Assets/_Project/ExcelResolver/Excel/hero.xlsx b/Assets/_Project/ExcelResolver/Excel/hero.xlsx
index 07deefe..14728ee 100644
Binary files a/Assets/_Project/ExcelResolver/Excel/hero.xlsx and b/Assets/_Project/ExcelResolver/Excel/hero.xlsx differ
diff --git a/Assets/_Project/ScriptableObject/Excel/Hero/Hero_5.asset b/Assets/_Project/ScriptableObject/Excel/Hero/Hero_5.asset
new file mode 100644
index 0000000..24af453
--- /dev/null
+++ b/Assets/_Project/ScriptableObject/Excel/Hero/Hero_5.asset
@@ -0,0 +1,80 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: e8aa3c1560079b84cafbabe4bc0d2c8d, type: 3}
+  m_Name: Hero_5
+  m_EditorClassIdentifier: 
+  serializationData:
+    SerializedFormat: 2
+    SerializedBytes: 
+    ReferencedUnityObjects: []
+    SerializedBytesString: 
+    Prefab: {fileID: 0}
+    PrefabModificationsReferencedUnityObjects: []
+    PrefabModifications: []
+    SerializationNodes:
+    - Name: nihao
+      Entry: 7
+      Data: 0|System.Collections.Generic.Dictionary`2[[System.Int32, mscorlib],[System.Single,
+        mscorlib]], mscorlib
+    - Name: comparer
+      Entry: 7
+      Data: 1|System.Collections.Generic.GenericEqualityComparer`1[[System.Int32,
+        mscorlib]], mscorlib
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 12
+      Data: 0
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: attribute
+      Entry: 7
+      Data: 2|System.Collections.Generic.Dictionary`2[[Tools.ExcelResolver.Attribute,
+        Assembly-CSharp],[System.Int32, mscorlib]], mscorlib
+    - Name: comparer
+      Entry: 7
+      Data: 3|System.Collections.Generic.EnumEqualityComparer`1[[Tools.ExcelResolver.Attribute,
+        Assembly-CSharp]], mscorlib
+    - Name: 
+      Entry: 12
+      Data: 0
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+    - Name: 
+      Entry: 12
+      Data: 0
+    - Name: 
+      Entry: 13
+      Data: 
+    - Name: 
+      Entry: 8
+      Data: 
+  id: 5
+  name: 
+  icon: 
+  has: 0
+  hp: 0
+  atk: 0
+  speed: 0
+  pos: {x: 0, y: 0, z: 0}
+  ches: {x: 0, y: 0}
+  attack_target: []
+  color: 0
diff --git a/Assets/_Project/ScriptableObject/Excel/Hero/Hero_5.asset.meta b/Assets/_Project/ScriptableObject/Excel/Hero/Hero_5.asset.meta
new file mode 100644
index 0000000..545c6ac
--- /dev/null
+++ b/Assets/_Project/ScriptableObject/Excel/Hero/Hero_5.asset.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: c7b7eb46a7ca8244890947b043ee79ab
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 11400000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: