修改bug

pqs-system/system-api/src/main/java/com/njcn/system/pojo/param/ThemeParam.java

@@ -8,6 +8,7 @@ import lombok.EqualsAndHashCode;
 import org.springframework.web.multipart.MultipartFile;
 
 import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Pattern;
 import java.io.Serializable;
 import java.util.List;
@@ -37,11 +38,11 @@ public class ThemeParam implements Serializable {
     private String color;
 
     @ApiModelProperty("logo图片")
-    @NotBlank(message = ValidMessage.LOGO_NOT_BLANK)
+    @NotNull(message = ValidMessage.LOGO_NOT_BLANK)
     private MultipartFile logoFile;
 
     @ApiModelProperty("favicon图标")
-    @NotBlank(message = ValidMessage.FAVICON_NOT_BLANK)
+    @NotNull(message = ValidMessage.FAVICON_NOT_BLANK)
     private MultipartFile faviconFile;
 
     @ApiModelProperty("切换栏位置")