diff --git a/src/forge/Merge/NewMerge.js b/src/forge/Merge/NewMerge.js
index 6422a04c..5f210e9d 100644
--- a/src/forge/Merge/NewMerge.js
+++ b/src/forge/Merge/NewMerge.js
@@ -233,12 +233,12 @@ class NewMerge extends Component {
         <div className="main">
           <Spin spinning={isSpin}>
             <div className="merge-header width100 inline-block">
-              <div className="width45 pull-left">
+              <div className="width40 pull-left">
                 <div className="color-grey-3 mb10 fwb">源分支:</div>
                 <Input.Group compact className="display-flex">
                   <Select
                     value={project && project.id}
-                    className="hide-1 task-hide w240"
+                    className="hide-1 task-hide flex1"
                     disabled
                   >
                     {renderProjectNames(projects_names)}
@@ -247,7 +247,7 @@ class NewMerge extends Component {
                     value={pull}
                     onSelect={(e) => this.selectBrach("pull", e)}
                     showSearch
-                    className="merge-flex1 w120"
+                    className="merge-flex1 flex1"
                   >
                     {renderBrances(branches, false)}
                   </Select>
@@ -258,13 +258,13 @@ class NewMerge extends Component {
                   className={"iconfont icon-youjiang color-grey-c font-32"}
                 ></i>
               </div>
-              <div className="width45 pull-left">
+              <div className="width40 pull-left">
                 <div>
                   <div className="color-grey-3 mb10 fwb">目标分支:</div>
                   <Input.Group compact className="display-flex">
                     <Select
                       value={project && project.id}
-                      className="hide-1 task-hide w240"
+                      className="hide-1 task-hide flex1"
                       onSelect={(e) => this.selectProjectName(e)}
                     >
                       {renderProjectNames(merge_projects)}
@@ -273,7 +273,7 @@ class NewMerge extends Component {
                       value={merge}
                       onSelect={(e) => this.selectBrach("merge", e)}
                       showSearch
-                      className="merge-flex1 w120"
+                      className="merge-flex1 flex1"
                     >
                       {renderBrances(merge_branches, merge_head)}
                     </Select>
diff --git a/src/forge/Merge/merge.css b/src/forge/Merge/merge.css
index b962e886..f66d1025 100644
--- a/src/forge/Merge/merge.css
+++ b/src/forge/Merge/merge.css
@@ -47,6 +47,12 @@ form .ant-cascader-picker, form .ant-select {
 .width30{
   width:30%;
 }
+.width40{
+  width:40%;
+}
+.display-flex{
+  display: flex!important;
+}
 .w120{
   width: 120px;
 }