diff --git a/src/views/trials/trials-panel/reading/consistency-analysis/index.vue b/src/views/trials/trials-panel/reading/consistency-analysis/index.vue
index 712a3037..bfd3d69d 100644
--- a/src/views/trials/trials-panel/reading/consistency-analysis/index.vue
+++ b/src/views/trials/trials-panel/reading/consistency-analysis/index.vue
@@ -832,7 +832,7 @@
                     <el-button
                       circle
                       icon="el-icon-connection"
-                      :disabled="scope.row.CanGeneratedSubejctCount === 0"
+                      :disabled="scope.row.GeneratedSubjectCount > 0 || scope.row.CanGeneratedSubejctCount === 0 || Number(scope.row.PlanSubjectCount)*2 >= scope.row.CanGeneratedSubejctCount"
                       :title="
                         $t(
                           'trials:grouptConsistencyAnalysis:button:RandomCreate'