diff --git a/zyplayer-doc-core/src/main/java/com/zyplayer/doc/core/enums/SystemConfigEnum.java b/zyplayer-doc-core/src/main/java/com/zyplayer/doc/core/enums/SystemConfigEnum.java
index c2aa04f9..d3b60ea7 100644
--- a/zyplayer-doc-core/src/main/java/com/zyplayer/doc/core/enums/SystemConfigEnum.java
+++ b/zyplayer-doc-core/src/main/java/com/zyplayer/doc/core/enums/SystemConfigEnum.java
@@ -12,7 +12,7 @@ import java.util.stream.Stream;
  */
 public enum SystemConfigEnum {
 	// 系统相关
-	SYSTEM_VERSION("system_version", "系统当前的版本号"),
+	DOC_SYSTEM_VERSION("doc_system_version", "系统当前的版本号"),
 	;
 	
 	private String key;
diff --git a/zyplayer-doc-manage/src/main/java/com/zyplayer/doc/manage/task/UpgradeSystemDdlTask.java b/zyplayer-doc-manage/src/main/java/com/zyplayer/doc/manage/task/UpgradeSystemDdlTask.java
index 027c9916..5f3bb705 100644
--- a/zyplayer-doc-manage/src/main/java/com/zyplayer/doc/manage/task/UpgradeSystemDdlTask.java
+++ b/zyplayer-doc-manage/src/main/java/com/zyplayer/doc/manage/task/UpgradeSystemDdlTask.java
@@ -47,7 +47,7 @@ public class UpgradeSystemDdlTask {
 	@PostConstruct
 	public void init() {
 		try {
-			String nowVersion = systemConfigService.getConfigValue(SystemConfigEnum.SYSTEM_VERSION);
+			String nowVersion = systemConfigService.getConfigValue(SystemConfigEnum.DOC_SYSTEM_VERSION);
 			if (Objects.equals(nowVersion, ZyplayerDocVersion.version)) {
 				logger.info("当前数据库DDL已是最新版本：" + nowVersion);
 				return;
@@ -66,7 +66,7 @@ public class UpgradeSystemDdlTask {
 				upgradeByNowVersion(nowVersion, tableList);
 			}
 			// 更新当前版本
-			systemConfigService.setConfigValue(SystemConfigEnum.SYSTEM_VERSION, ZyplayerDocVersion.version);
+			systemConfigService.setConfigValue(SystemConfigEnum.DOC_SYSTEM_VERSION, ZyplayerDocVersion.version);
 		} catch (Exception e) {
 			logger.error("执行升级SQL失败，请手动执行升级SQL或修改：system_config表中的system_version记录行的版本为：{}，异常信息：{}", ZyplayerDocVersion.version, e.getMessage());
 		}
diff --git a/zyplayer-doc-ui/wiki-ui/src/views/page/show/Comment.vue b/zyplayer-doc-ui/wiki-ui/src/views/page/show/Comment.vue
index 94e00e70..7a4ea7d7 100644
--- a/zyplayer-doc-ui/wiki-ui/src/views/page/show/Comment.vue
+++ b/zyplayer-doc-ui/wiki-ui/src/views/page/show/Comment.vue
@@ -30,7 +30,7 @@
 		</div>
 	</div>
 	<div class="comment-input-box">
-		<textarea rows="5" placeholder="发表评论" v-model="commentTextInput"></textarea>
+		<textarea rows="5" placeholder="发表评论" v-model="commentTextInput" :maxlength="500"></textarea>
 		<el-button style="float: right; margin: 2px 5px" type="primary" size="small" v-on:click="submitPageComment">发送</el-button>
 	</div>
 </template>