diff --git a/src/views/trials/trials-panel/reading/dicoms/components/IRecist/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms/components/IRecist/QuestionList.vue
index 951c6a67..09d877a4 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/IRecist/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/IRecist/QuestionList.vue
@@ -158,7 +158,7 @@
                         style="position: absolute;right: 5px;top: 2px;">
                         <!-- 分裂 -->
                         <el-tooltip
-                          v-show="readingTaskState < 2 && !!item.TableQuestions.Answers[i].RowId && (!isBaseLineTask && !isFirstChangeTask) && item.TableQuestions.Answers[i].isDicomReading !== false"
+                          v-show="readingTaskState < 2 && item.TableQuestions.Answers[i].SplitOrMergeType !== '4' && !!item.TableQuestions.Answers[i].RowId && (!isBaseLineTask && !isFirstChangeTask) && item.TableQuestions.Answers[i].isDicomReading !== false"
                           class="item" :content="$t('trials:reading:button:split')" placement="left">
                           <i class="iconfont icon-24gl-split" style="color:#fff;font-size: 16px;"
                             @click.stop="handleSplit(item.TableQuestions.Answers[i].RowId, item.Id)" />
diff --git a/src/views/trials/trials-panel/reading/dicoms/components/Recist/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms/components/Recist/QuestionList.vue
index b1ab1e84..f5d1f6ac 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/Recist/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/Recist/QuestionList.vue
@@ -128,7 +128,7 @@
                         style="position: absolute;right: 5px;top: 2px;">
                         <!-- 分裂 -->
                         <el-tooltip
-                          v-show="readingTaskState < 2 && !!item.TableQuestions.Answers[i].RowId && !isBaseLineTask && item.TableQuestions.Answers[i].isDicomReading !== false"
+                          v-show="readingTaskState < 2&& item.TableQuestions.Answers[i].SplitOrMergeType !== '4' && !!item.TableQuestions.Answers[i].RowId && !isBaseLineTask && item.TableQuestions.Answers[i].isDicomReading !== false"
                           class="item" :content="$t('trials:reading:button:split')" placement="left">
                           <i class="iconfont icon-24gl-split" style="color:#fff;font-size: 16px;"
                             @click.stop="handleSplit(item.TableQuestions.Answers[i].RowId, item.Id)" />
diff --git a/src/views/trials/trials-panel/reading/dicoms/components/RecistBM/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms/components/RecistBM/QuestionList.vue
index 4fb5c7f5..5ca55c5a 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/RecistBM/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/RecistBM/QuestionList.vue
@@ -121,7 +121,7 @@
                         style="position: absolute;right: 5px;top: 2px;">
                         <!-- 分裂 -->
                         <el-tooltip
-                          v-show="readingTaskState < 2 && !!item.TableQuestions.Answers[i].RowId && !isBaseLineTask && item.TableQuestions.Answers[i].isDicomReading !== false"
+                          v-show="readingTaskState < 2&& item.TableQuestions.Answers[i].SplitOrMergeType !== '4' && !!item.TableQuestions.Answers[i].RowId && !isBaseLineTask && item.TableQuestions.Answers[i].isDicomReading !== false"
                           class="item" :content="$t('trials:reading:button:split')" placement="left">
                           <i class="iconfont icon-24gl-split" style="color:#fff;font-size: 16px;"
                             @click.stop="handleSplit(item.TableQuestions.Answers[i].RowId, item.Id)" />
diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/Recist/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/Recist/QuestionList.vue
index 7d2d36eb..64fa95e7 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Recist/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Recist/QuestionList.vue
@@ -144,7 +144,7 @@
                         v-if="((table.LesionType === 0 && [0, 1, 4].includes(parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState))) || (table.LesionType === 0 && parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState) === 0) || (table.LesionType === 1 && [0, 1].includes(parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState))) || (table.LesionType === 2 && parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState) === 0)) && innerFormData[`${table.Id}_${answer.RowIndex}`].IsCurrentTaskAdd === 'False'"
                         style="position: absolute;right: 5px;top: 2px;">
                         <el-tooltip
-                          v-show="readingTaskState < 2 && !!innerFormData[`${table.Id}_${answer.RowIndex}`].RowId && !isBaseLineTask && innerFormData[`${table.Id}_${answer.RowIndex}`].IsDicomReading !== false"
+                          v-show="readingTaskState < 2 && innerFormData[`${table.Id}_${answer.RowIndex}`].SplitOrMergeType !== '4' && !!innerFormData[`${table.Id}_${answer.RowIndex}`].RowId && !isBaseLineTask && innerFormData[`${table.Id}_${answer.RowIndex}`].IsDicomReading !== false"
                           class="table" :content="$t('trials:reading:button:split')" placement="left">
                           <i class="iconfont icon-24gl-split" style="color:#fff;font-size: 16px;"
                             @click.stop="lesionSplit(table.Id, innerFormData[`${table.Id}_${answer.RowIndex}`].RowId)" />
diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/mRecist/QuestionList.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/mRecist/QuestionList.vue
index 9b3a5841..8fe5179d 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/mRecist/QuestionList.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/mRecist/QuestionList.vue
@@ -142,7 +142,7 @@
                         v-if="((table.LesionType === 0 && [0, 1, 4].includes(parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState)))) || ((table.LesionType === 0 && parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState) === 0) || (table.LesionType === 1 && [0, 1].includes(parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState))) || (table.LesionType === 2 && parseInt(innerFormData[`${table.Id}_${answer.RowIndex}`].LesionState) === 0)) && innerFormData[`${table.Id}_${answer.RowIndex}`].IsCurrentTaskAdd === 'False'"
                         style="position: absolute;right: 5px;top: 2px;">
                         <el-tooltip
-                          v-show="readingTaskState < 2 && !!innerFormData[`${table.Id}_${answer.RowIndex}`].RowId && !isBaseLineTask && innerFormData[`${table.Id}_${answer.RowIndex}`].IsDicomReading !== false"
+                          v-show="readingTaskState < 2 && innerFormData[`${table.Id}_${answer.RowIndex}`].SplitOrMergeType !== '4' && !!innerFormData[`${table.Id}_${answer.RowIndex}`].RowId && !isBaseLineTask && innerFormData[`${table.Id}_${answer.RowIndex}`].IsDicomReading !== false"
                           class="table" :content="$t('trials:reading:button:split')" placement="left">
                           <i class="iconfont icon-24gl-split" style="color:#fff;font-size: 16px;"
                             @click.stop="lesionSplit(table.Id, innerFormData[`${table.Id}_${answer.RowIndex}`].RowId)" />