Update README.md

CJayHe · web-flow · commit 499a5c01cfb7 · 2022-06-01T11:44:32.000+08:00
diff --git a/README.md b/README.md
@@ -6,4 +6,4 @@
 
 ## 技术文档
 
-[技术文档](https://phpzlc.com/doc/module/captcha-business)
+[技术文档](https://phpzlc.com/doc/zh-CN/captcha-business)

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`@@ -6,4 +6,4 @@`
`6`	`6`
`7`	`7`	`## 技术文档`
`8`	`8`
`9`		`-[技术文档](https://phpzlc.com/doc/module/captcha-business)`
	`9`	`+[技术文档](https://phpzlc.com/doc/zh-CN/captcha-business)`