1.处理类型转换错误

mec-biz/src/main/java/com/ym/mec/biz/dal/wrapper/ImGroupWrapper.java

@@ -68,7 +68,7 @@ public class ImGroupWrapper {
 
 
         @ApiModelProperty("主键ID")
-        private Long id;
+        private String id;
 
         @ApiModelProperty("群组ID")
         private String groupId;
@@ -127,7 +127,7 @@ public class ImGroupWrapper {
             return JSON.toJSONString(this);
         }
 
-        public ImGroup id(Long id) {
+        public ImGroup id(String id) {
             this.id = id;
             return this;
         }