更改提交字段的时间类型

src/main/java/com/huoran/iasf/entity/SysContent.java

@@ -37,7 +37,7 @@ public class SysContent implements Serializable {
     private Integer columnId;
 
     @ApiModelProperty(value = "发布时间")
-    private Date releaseTime;
+    private String releaseTime;
 
     @ApiModelProperty(value = "来源")
     private String source;