fix: "+" is not available in configmap key

dyx1234 · dyx1234 · commit 4ca7b1831d28 · 2024-10-18T14:17:37.000+08:00
diff --git a/docs/en/client/java-sdk-user-guide.md b/docs/en/client/java-sdk-user-guide.md
@@ -431,7 +431,7 @@ namespace: Use the specified value, if not specified, the default is "default"
 
 configMapName: {appId}
 
-key: {cluster} + {namespace}
+key: {cluster} - {namespace}
 
 value: The content is the JSON format string of the corresponding configuration information.
 
diff --git a/docs/zh/client/java-sdk-user-guide.md b/docs/zh/client/java-sdk-user-guide.md
@@ -416,7 +416,7 @@ namespace：使用指定的值，若未指定默认为"default"
 
 configMapName:{appId}
 
-key:{cluster}+{namespace}
+key:{cluster}-{namespace}
 
 value:内容为对应的配置信息的json格式字符串
 
