diff --git a/epmet-module/epmet-third/epmet-third-server/src/main/java/com/epmet/wxapi/service/impl/WxMaCodeServiceImpl.java b/epmet-module/epmet-third/epmet-third-server/src/main/java/com/epmet/wxapi/service/impl/WxMaCodeServiceImpl.java
index 4711ac11b7..ce18ca880c 100644
--- a/epmet-module/epmet-third/epmet-third-server/src/main/java/com/epmet/wxapi/service/impl/WxMaCodeServiceImpl.java
+++ b/epmet-module/epmet-third/epmet-third-server/src/main/java/com/epmet/wxapi/service/impl/WxMaCodeServiceImpl.java
@@ -188,7 +188,7 @@ public class WxMaCodeServiceImpl implements WxMaCodeService {
 	public WxResult release(String accessToken) {
 		WxResult result = new WxResult();
 		String url = WxMaCodeConstant.RELEASE_URL + "?" + "access_token=" + accessToken;
-		Result<String> releaseResult = HttpClientManager.getInstance().sendPostByJSON(url, null);
+		Result<String> releaseResult = HttpClientManager.getInstance().sendPostByJSON(url, "{}");
 		if (!releaseResult.success()) {
 			result.setErrorCode(releaseResult.getCode());
 			result.setErrorMsg(releaseResult.getMsg());