重要提示:单个prompt的最大token数为512
核心能力
Kontext图像编辑系统能够:
- 理解图像上下文语义
- 实现精准的局部修改
- 保持原始图像风格一致性
- 支持复杂的多步迭代编辑
基础对象修改
示例场景:改变汽车颜色
Prompt设计:
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Change the car color to bright
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red with metallic finish
(将汽车颜色改为带金属光泽的亮红色)
效果对比:

Prompt精确度控制
快速编辑 vs 精确控制
基础prompt问题:
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Change to daytime
(改为白天)
- 可能改变原图艺术风格
- 场景元素可能发生不可控变化
优化方案:
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Transform the scene to daytime
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while maintaining the original
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oil painting style and color
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palette
(将场景转为白天,同时保持原始油画风格和色调)
复杂变换技巧
多要素修改示例:
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Convert to daytime scene
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with crowded pedestrians
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on sidewalks, add vintage
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cars on the road, keep the
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original brushstroke texture
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and muted color scheme
(转为白天场景,增加人行道行人,添加复古车辆,保持原始笔触纹理和柔和色调)
风格迁移技术
文字描述风格化
有效方法:
- 指定具体艺术流派:
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Transform to Bauhaus style
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with geometric shapes
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and primary colors
(转为包豪斯风格,使用几何图形和原色)
引用知名艺术家:
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In the style of Van Gogh's
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Starry Night with swirling
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brushstrokes
(采用梵高《星月夜》的漩涡状笔触风格)
视觉特征描述:
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Convert to watercolor with
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soft edges, visible paper
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texture, and pigment
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bleeding effects
(转为水彩风格,带有柔边、
纸张纹理和颜料晕染效果)
参考图风格迁移
操作方式:
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Using this artwork's style,
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create an image of a dragon
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fighting a knight in front
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of a castle
(使用参考图艺术风格,创作龙与骑士在城堡前战斗的画面)
专业提示:FLUX.1 Kontext pro版本对参考图风格匹配效果更佳
角色一致性保持
迭代编辑框架
- 建立基准特征:
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This woman with curly blonde
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hair and green eyes...
(这位金色卷发、绿眼睛的女性...)
逐步修改 :
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...now wearing a business
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suit in a modern office
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setting, keep facial
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features identical
(...现在穿着商务套装处于现代办公室环境,保持面部特征不变)
身份标记保留 :
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Maintain her distinctive
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mole above the left eyebrow
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and the specific hairstyle
(保持左眉上方的独特痣和特定发型)
文字编辑技巧
最佳实践
基础格式:
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Replace 'Montreal' with
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'FLUX' using the same
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bold sans-serif font
(将"Montreal"替换为"FLUX",使用相同的粗体无衬线字体)
复杂案例:
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Update the poster text
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from 'Summer Sale' to
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'Winter Clearance' in
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icy blue color, keep
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the snowflake decoration
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and layout structure
(将海报文字从"夏季促销"改为"冬季清仓",使用冰蓝色,保留雪花装饰和版式结构)
视觉引导技巧
区域定位法:
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Add medieval armor to
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the figure outlined in red
(为红色轮廓标记的人物添加中世纪盔甲)
参考图示:

问题排查指南
常见问题解决方案
角色特征改变过多:
错误示范:Turn this person into a pirate
正确示范:Add pirate clothing and hat while keeping the exact facial structure and eye color
构图意外变化:
错误示范: Put her in a forest
正确示范:Replace background with dense forest while maintaining identical subject position, camera angle and lighting direction
风格应用不完整:
错误示范: Make it look painted
正确示范:Convert to impasto oil painting with thick textured brushstrokes, visible palette knife marks, and vibrant color blending
高级技巧总结
分层编辑法 :复杂修改分多步进行
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Step 1: Change clothing to formal suit
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Step 2: Add briefcase in right hand
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Step 3: Set background to
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corporate lobby
否定指令应用 :
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Transform to cyberpunk style
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without neon lights, keep
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realistic skin textures
(转为赛博朋克风格但不使用霓虹灯,保持真实皮肤质感)
物理特性指定 :
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Make the fabric look like
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heavy wool with visible
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weave texture
(使布料呈现厚重羊毛质感并显示织纹)
专业提示:单个prompt中编辑指令不宜超过3个核心修改点,复杂修改建议通过多次迭代完成
