diff --git a/laws-modules-docking/src/main/java/com/jero/modules/docking/hiwork/service/impl/SendMessageServiceImpl.java b/laws-modules-docking/src/main/java/com/jero/modules/docking/hiwork/service/impl/SendMessageServiceImpl.java
index dbaa563d..c751d5fc 100644
--- a/laws-modules-docking/src/main/java/com/jero/modules/docking/hiwork/service/impl/SendMessageServiceImpl.java
+++ b/laws-modules-docking/src/main/java/com/jero/modules/docking/hiwork/service/impl/SendMessageServiceImpl.java
@@ -18,10 +18,6 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
-import java.nio.charset.CharsetEncoder;
-import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -72,6 +68,8 @@ public class SendMessageServiceImpl implements SendMessageAPI {
             // 替换模板内容
             if (!Objects.isNull(sendMessageDTO.getMap())) {
                 Map<String, String> map = sendMessageDTO.getMap();
+                // 筛掉value为null的key
+                map.entrySet().removeIf(entry -> Objects.isNull(entry.getValue()));
                 map.forEach((k, v) -> sysMessageTemplate.setTemplateContent(
                         sysMessageTemplate.getTemplateContent().replace("${" + k + "}", v)));
                 if (null != map.get("openType")) {