diff --git a/Assets/StreamingAssets/Excel/NiuData.xlsx b/Assets/StreamingAssets/Excel/NiuData.xlsx
index ffa283a..9405f08 100644
Binary files a/Assets/StreamingAssets/Excel/NiuData.xlsx and b/Assets/StreamingAssets/Excel/NiuData.xlsx differ
diff --git a/Assets/StreamingAssets/ExcelJson/NiuData.txt b/Assets/StreamingAssets/ExcelJson/NiuData.txt
index ae3425b..b7ff57a 100644
--- a/Assets/StreamingAssets/ExcelJson/NiuData.txt
+++ b/Assets/StreamingAssets/ExcelJson/NiuData.txt
@@ -500,7 +500,7 @@
     "ThreeTaskName": "孕激素法",
     "TaskType": "动画",
     "ToolsName": "",
-    "ModelBT": "NeckInjectionPoint_sign|BodyInjectionPoint_sign|YinDaoPoint_sign",
+    "ModelBT": "NeckInjectionPoint_sign|BodyInjectionPoint_sign|TailInjectionPoint_sign",
     "Operation": "角色在牛脖子的位置，进行药物注射",
     "ProcessDescription": "将含有一定量孕激素的专用栓塞放入牛阴道内，10天左右取出阴道栓，同时肌注4mL氯前列烯醇",
     "SoundPath": "",
@@ -1358,7 +1358,7 @@
     "ThreeTaskName": "使用FSH进行超排",
     "TaskType": "动画",
     "ToolsName": "",
-    "ModelBT": "NeckInjectionPoint_sign|BodyInjectionPoint_sign|YinDaoPoint_sign",
+    "ModelBT": "NeckInjectionPoint_sign|BodyInjectionPoint_sign|TailInjectionPoint_sign",
     "Operation": "角色在牛脖子的位置，进行药物注射",
     "ProcessDescription": "在牛发情周期的9-13天之间的任意一天开始注射FSH",
     "SoundPath": "",
diff --git a/Assets/_Scenes/TrainExam.unity b/Assets/_Scenes/TrainExam.unity
index 94ce752..c5d98f5 100644
--- a/Assets/_Scenes/TrainExam.unity
+++ b/Assets/_Scenes/TrainExam.unity
@@ -17784,6 +17784,7 @@ MonoBehaviour:
   - {fileID: 1385361293}
   - {fileID: 416603171}
   - {fileID: 587790280}
+  - {fileID: 1608174069}
   - {fileID: 1800198919}
   - {fileID: 694871478}
   - {fileID: 1160721213}
@@ -31852,6 +31853,106 @@ Transform:
   - {fileID: 798656858}
   m_Father: {fileID: 1306836004}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!1001 &1608174067
+PrefabInstance:
+  m_ObjectHideFlags: 0
+  serializedVersion: 2
+  m_Modification:
+    serializedVersion: 3
+    m_TransformParent: {fileID: 1985453657}
+    m_Modifications:
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+        type: 3}
+      propertyPath: m_Name
+      value: TailInjectionPoint_sign
+      objectReference: {fileID: 0}
+    - target: {fileID: 265685189950564712, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_IsActive
+      value: 0
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalScale.x
+      value: 0.11737668
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
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+      propertyPath: m_LocalScale.y
+      value: 0.11737671
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalScale.z
+      value: 0.117376685
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalPosition.x
+      value: 1.296
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalPosition.y
+      value: -2.332
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+      value: 1.692
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+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalRotation.w
+      value: -0.044211857
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
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+      propertyPath: m_LocalRotation.x
+      value: -0.06255456
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalRotation.y
+      value: -0.99687374
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalRotation.z
+      value: -0.0193665
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalEulerAnglesHint.x
+      value: -1.896
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalEulerAnglesHint.y
+      value: -185.199
+      objectReference: {fileID: 0}
+    - target: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+        type: 3}
+      propertyPath: m_LocalEulerAnglesHint.z
+      value: 7.267
+      objectReference: {fileID: 0}
+    m_RemovedComponents: []
+    m_RemovedGameObjects: []
+    m_AddedGameObjects: []
+    m_AddedComponents: []
+  m_SourcePrefab: {fileID: 100100000, guid: a623bdd0c9a05dd448dd9cc858aca9f1, type: 3}
+--- !u!4 &1608174068 stripped
+Transform:
+  m_CorrespondingSourceObject: {fileID: 9056352827034250981, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+    type: 3}
+  m_PrefabInstance: {fileID: 1608174067}
+  m_PrefabAsset: {fileID: 0}
+--- !u!1 &1608174069 stripped
+GameObject:
+  m_CorrespondingSourceObject: {fileID: 265685189950564712, guid: a623bdd0c9a05dd448dd9cc858aca9f1,
+    type: 3}
+  m_PrefabInstance: {fileID: 1608174067}
+  m_PrefabAsset: {fileID: 0}
 --- !u!1 &1608547271
 GameObject:
   m_ObjectHideFlags: 0
@@ -37062,7 +37163,7 @@ PrefabInstance:
     - target: {fileID: 919132149155446097, guid: b9fc5b63e91e94b41935b925ffc6c7b8,
         type: 3}
       propertyPath: m_IsActive
-      value: 0
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 8127618899566747444, guid: b9fc5b63e91e94b41935b925ffc6c7b8,
         type: 3}
@@ -37872,6 +37973,7 @@ Transform:
   - {fileID: 1385361292}
   - {fileID: 416603170}
   - {fileID: 587790279}
+  - {fileID: 1608174068}
   - {fileID: 1800198918}
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   - {fileID: 1160721212}
diff --git a/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs b/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs
index 4b2f66d..6eac2b9 100644
--- a/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs
+++ b/Assets/_Scripts/Application/SceneCtrls/NiuSceneMng.cs
@@ -598,11 +598,17 @@ if(UnityEngine.EventSystems.EventSystem.current.IsPointerOverGameObject())return
                     }
                     if (tempBts[i].Contains("*"))
                     {
-                        _curStepUseBTDic.Add(false, toolTemp);
+                        if (!_curStepUseBTDic.ContainsKey(false))
+                        {
+                            _curStepUseBTDic.Add(false, toolTemp);
+                        }
                     }
                     else
                     {
-                        _curStepUseBTDic.Add(true, toolTemp);
+                        if (!_curStepUseBTDic.ContainsKey(true))
+                        {
+                            _curStepUseBTDic.Add(true, toolTemp);
+                        }
                     }
                 }
             }