diff --git a/src/views/knowledge/detail/create.vue b/src/views/knowledge/detail/create.vue
index 4436d27..ace401b 100644
--- a/src/views/knowledge/detail/create.vue
+++ b/src/views/knowledge/detail/create.vue
@@ -26,7 +26,7 @@
         <el-button v-if="active === 0" type="primary" size="medium" @click="fetchApi">
           一键处理
         </el-button>
-        <el-button size="medium" @click="active--" v-if="active >= 1">上一步</el-button>
+        <el-button size="medium" @click="active--" v-if="active > 1">上一步</el-button>
         <el-button type="primary" size="medium" @click="nextStep" v-if="active < 2">下一步</el-button>
         <el-button type="primary" size="medium" @click="nextStep" v-if="active === 2">确定</el-button>
         <el-button type="primary" size="medium" @click="$router.history.go(-1)">取消</el-button>
@@ -116,7 +116,7 @@ export default {
 }
 </script>
 <style scoped lang="scss">
-/deep/.el-drawer__header {
+/deep/ .el-drawer__header {
   margin-bottom: unset;
   border-bottom: 1px solid #eee;
   padding-bottom: 20px;
@@ -126,6 +126,7 @@ export default {
   position: relative;
   width: 100%;
   padding-top: 10px;
+
   &::after {
     content: '';
     border-top: 1px solid #ebeef5;