v1.5.3

✨ Features | 新功能

• support ie 11 (#809) (26d420c)

🎫 Chores | 其他更新

• add parent element validation tip (9bf4c2f)
• update dependencies

🐛 Bug Fixes | Bug 修复

• the create method executed multiple times (#815) (00f2fc5)
• 修复富文本元素宽高不正确的问题 (ac21394)

✅ Tests | 测试

• add create BlindWatermark test (a430f69)
• add create Watermark test (c0cfdcc)
• add image watermark test (c132c74)
• add jest (b2c5869)
• add jest image transformer (1b75aec)
• update create BlindWatermark test (bd599f2)
• update image watermark test (9185222)
• update jest image transformer (5e9549d)
• update watermark test (46f8d66)