diff --git a/src/views/data/dataSearch.vue b/src/views/data/dataSearch.vue
index 68969da..f5aa028 100644
--- a/src/views/data/dataSearch.vue
+++ b/src/views/data/dataSearch.vue
@@ -58,7 +58,7 @@
         <div class="linese"></div>
       </a-col>
     </a-row>
-     <tablelist ref="modalForm" @ok="getTableDataList"></tablelist>
+     <tablelist ref="modalForm" ></tablelist>
   </a-card>
 </template>
 <script>
diff --git a/src/views/datalink/modules/SliceUpload.vue b/src/views/datalink/modules/SliceUpload.vue
index 9a5f2b7..25ba64b 100644
--- a/src/views/datalink/modules/SliceUpload.vue
+++ b/src/views/datalink/modules/SliceUpload.vue
@@ -213,20 +213,38 @@ export default {
         // 当前上传进度归0
         currentRow.percentage = 0
         const _20M = 20            * 1024 * 1024 //设置超大文件判断关闭分片
-        if (file.size > _20M) { // 20M 以上分片上传
-            this.uploadByPieces({ // 这里走分片上传逻辑
-              file, // 文件信息
-              currentRow,
-              success: (data) => {
-                currentRow.percentage = 100
-              },
-              error: (e) => {
-                currentRow.percentage = 0
+        let that =this;
+        this.getMd5(file)
+        .then((res) => {
+          let fileMD5Value = res
+          verifyFileExist({ fileMD5Value: fileMD5Value })
+          .then((res) => {
+            if (res.result.exist) { // 跳过文件验证逻辑
+              that.$message.warning(file.name+'文件已存在');
+            } else { // 未存在，走上传逻辑
+              if (file.size > _20M) { // 20M 以上分片上传
+                  that.uploadByPieces({ // 这里走分片上传逻辑
+                    file, // 文件信息
+                    currentRow,
+                    success: (data) => {
+                      currentRow.percentage = 100
+                    },
+                    error: (e) => {
+                      currentRow.percentage = 0
+                    }
+                  })
+              } else { // 20M 以下直接上传
+                that.uploadDirectly(currentRow, file)
               }
-            })
-        } else { // 20M 以下直接上传
-          this.uploadDirectly(currentRow, file)
-        }
+            }
+          })
+          .catch((e) => {
+            this.$message.warning(e);
+          })
+        })
+        .catch((e) => {
+          console.error('MD5计算错误', e)
+        })
       }
     },
     getMd5 (file, chunkSize) {
@@ -293,6 +311,7 @@ export default {
           currentRow.percentage = 100
           currentRow.uploadStatus = 2
           currentRow.result = res
+          this.$message.warning(file.name+'文件已存在');
         } else { // 未存在，走上传逻辑
           const formData = this.buildFileFormData(file.name, file.size, fileMD5Value, 0, 0, file, false,fileMD5Value)
           const url = '/fileDataLink/uploadFile'
@@ -341,16 +360,6 @@ export default {
       const sumSlicingCount = Math.ceil(file.size / slicingSize) // 总片数
 
       currentRow.remarks = '正在获取hash值...'
-      this.getMd5(file, slicingSize)
-        .then((res) => {
-          this.fileMD5[file.uid] = res
-
-          currentRow.remarks = ''
-          this.readFileMD5(file, currentRow, slicingSize, sumSlicingCount, success, error)
-        })
-        .catch((e) => {
-          console.error('MD5计算错误', e)
-        })
     },
     // 得到某一片的分片 file 总文件； currentIndex 当前切片数，按索引计算； slicingSize 切片大小
     getSlicingInfo (file, currentIndex, slicingSize) {
@@ -376,11 +385,11 @@ export default {
               this.uploadSliceFile(file, currentRow, slicingSize, sumSlicingCount, shareIndex + 1, success, error)
             }
           } else { // 没有传过就从第0个分片开始上传
-                this.uploadSliceFile(file, currentRow, slicingSize, sumSlicingCount, 0, success, error)
+              this.uploadSliceFile(file, currentRow, slicingSize, sumSlicingCount, 0, success, error)
           }
         })
         .catch((e) => {
-          error && error(e)
+          this.$message.warning(e);
         })
     },
     /**
diff --git a/src/views/datalink/modules/creatdblink.vue b/src/views/datalink/modules/creatdblink.vue
index 6ee8cc0..cb2bf08 100644
--- a/src/views/datalink/modules/creatdblink.vue
+++ b/src/views/datalink/modules/creatdblink.vue
@@ -231,6 +231,7 @@ import {  datasyncqueryPage,
         this.selectDataBase = true;
         this.createSchemaboll = true;
         let model = {};
+        this.datamodel.database=null
         model.ip = "";
         model.port = 0;
         model.username = '';
@@ -253,6 +254,7 @@ import {  datasyncqueryPage,
         this.selectDataBase = true;
         this.createSchemaboll = true;
         this.testConnBool = false;
+        this.datamodel.database=null;
         datasyncqueryById({id:record.id}).then((res) => {
             if (res.success) {
               let model = {};
@@ -285,7 +287,7 @@ import {  datasyncqueryPage,
         this.form.validateFields((err, values) => {
           console.log('values',values)
           this.datamodel = values;
-          if(this.datamodel.database==null){
+          if(this.datamodel.database==null || this.datamodel.database==""){
             this.$message.warning("源数据库未选择");
             return false;
           }
diff --git a/src/views/system/RoleList.vue b/src/views/system/RoleList.vue
index f0117c8..413af5c 100644
--- a/src/views/system/RoleList.vue
+++ b/src/views/system/RoleList.vue
@@ -31,10 +31,10 @@
     <!-- 操作按钮区域 -->
     <div class="table-operator"  style="margin-top: 5px">
       <a-button @click="handleAdd" type="primary" icon="plus">新增</a-button>
-      <a-button type="primary" icon="download" @click="handleExportXls('角色信息')">导出</a-button>
+      <!-- <a-button type="primary" icon="download" @click="handleExportXls('角色信息')">导出</a-button>
       <a-upload name="file" :showUploadList="false" :multiple="false" :headers="tokenHeader" :action="importExcelUrl" @change="handleImportExcel">
         <a-button type="primary" icon="import">导入</a-button>
-      </a-upload>
+      </a-upload> -->
 
       <a-dropdown v-if="selectedRowKeys.length > 0">
         <a-menu slot="overlay">
diff --git a/src/views/system/RoleUserList.vue b/src/views/system/RoleUserList.vue
index d6a6cfc..85ea570 100644
--- a/src/views/system/RoleUserList.vue
+++ b/src/views/system/RoleUserList.vue
@@ -34,10 +34,10 @@
         <div class="table-operator" style="margin: 5px 0 10px 2px">
           <a-button @click="handleAdd" type="primary" icon="plus">新建角色</a-button>
           <!--<a-button @click="handleEdit(model1)" type="primary" icon="plus">角色编辑</a-button>-->
-          <a-upload name="file" :showUploadList="false" :multiple="false" :headers="tokenHeader" :action="importExcelUrl" @change="handleImportExcel">
+          <!-- <a-upload name="file" :showUploadList="false" :multiple="false" :headers="tokenHeader" :action="importExcelUrl" @change="handleImportExcel">
             <a-button type="primary" icon="import">导入</a-button>
           </a-upload>
-          <a-button type="primary" icon="download" @click="handleExportXls('角色管理')">导出</a-button>
+          <a-button type="primary" icon="download" @click="handleExportXls('角色管理')">导出</a-button> -->
         </div>
 
         <div class="ant-alert ant-alert-info" style="margin-bottom: 16px;">
@@ -75,9 +75,7 @@
                   <a @click="handleEdit(record)">编辑</a>
                 </a-menu-item>
                 <a-menu-item>
-                  <a-popconfirm title="确定删除吗?" @confirm="() => handleDelete1(record.id)">
-                    <a>删除</a>
-                  </a-popconfirm>
+                  <a @click="handleDelete1(record.id)">删除</a>
                 </a-menu-item>
               </a-menu>
             </a-dropdown>
diff --git a/src/views/system/UserList.vue b/src/views/system/UserList.vue
index 1071282..72f1d8f 100644
--- a/src/views/system/UserList.vue
+++ b/src/views/system/UserList.vue
@@ -66,10 +66,10 @@
     <!-- 操作按钮区域 -->
     <div class="table-operator" style="border-top: 5px">
       <a-button @click="handleAdd" type="primary" icon="plus">添加用户</a-button>
-      <a-button type="primary" icon="download" @click="handleExportXls('用户信息')">导出</a-button>
+      <!-- <a-button type="primary" icon="download" @click="handleExportXls('用户信息')">导出</a-button>
       <a-upload name="file" :showUploadList="false" :multiple="false" :headers="tokenHeader" :action="importExcelUrl" @change="handleImportExcel">
         <a-button type="primary" icon="import">导入</a-button>
-      </a-upload>
+      </a-upload> -->
       <a-button type="primary" icon="hdd" @click="recycleBinVisible=true">回收站</a-button>
       <a-dropdown v-if="selectedRowKeys.length > 0">
         <a-menu slot="overlay" @click="handleMenuClick">
diff --git a/src/views/system/modules/UserRoleModal.vue b/src/views/system/modules/UserRoleModal.vue
index c3046d9..e00f815 100644
--- a/src/views/system/modules/UserRoleModal.vue
+++ b/src/views/system/modules/UserRoleModal.vue
@@ -9,7 +9,7 @@
     :visible="visible"
     style="overflow: auto;padding-bottom: 53px;" class="userrolemodel">
 
-    <a-form>
+    <a-form style="height:calc(100vh - 58px);">
       <a-form-item label='所拥有的权限'>
         <a-tree
           checkable