diff --git a/src/views/knowledge/detail/create.vue b/src/views/knowledge/detail/create.vue
index d3eed09..b8e65b0 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>