Merge branch 'hhl' of SH-Arbitrate/Arbitrate-Frontend into dev

src/views/caseManagement/components/caseentryDialog.vue

               <el-upload
                 class="upload-demo"
                 ref="fileupload"
+                accept=".png,.jpg,.doc,.docx,.txt,.pdf"
                 :action="UploadUrl()"
                 :on-success="handlSuccess"
                 :on-remove="handleRemove"
               >
                 <el-button size="small" type="primary">点击上传</el-button>
                 <div slot="tip" class="el-upload__tip">
-                  文件支持上传jpg/png、.doc/docx、pdf文件
+                  文件支持上传.jpg，png，.doc，docx，.txt，.pdf文件
                 </div>
               </el-upload>
             </el-form-item>
           this.applicateArr = [];
           this.quiltArr = [];
           this.formData = this.form;
+          this.fileList = [];
           if (this.flag == "1" || this.flag == "0") {
               this.form2.paymentArr = this.initpaymentArr;
               this.form3.paymentArr1 = this.initpaymentArr1;