diff --git a/resources/assets/sass/pages/components/project-workflow.scss b/resources/assets/sass/pages/components/project-workflow.scss
index 9b9efeabe..16c23e235 100644
--- a/resources/assets/sass/pages/components/project-workflow.scss
+++ b/resources/assets/sass/pages/components/project-workflow.scss
@@ -30,9 +30,19 @@
         flex: 1;
         padding: 0 20px;
         overflow: auto;
+        margin-bottom: 20px;
+        height: 100%;
 
         .ivu-collapse {
             min-width: 700px;
+            height: 100%;
+            .ivu-collapse-item{
+                height: 100%;
+                .ivu-collapse-content{
+                    height: calc(100% - 38px);
+                    overflow: auto;
+                }
+            }
         }
 
         .ivu-collapse-header {
@@ -115,7 +125,7 @@
 
     .taskflow-config {
         display: flex;
-        max-height: 800px;
+        max-height: 100%;
 
         .taskflow-config-table {
             display: flex;