diff --git a/ticdc/ticdc-changefeed-config.md b/ticdc/ticdc-changefeed-config.md
index 19bf4ff648edb..4050e735cc22f 100644
--- a/ticdc/ticdc-changefeed-config.md
+++ b/ticdc/ticdc-changefeed-config.md
@@ -26,7 +26,7 @@ Info: {"upstream_id":7178706266519722477,"namespace":"default","id":"simple-repl
     [scheme]://[userinfo@][host]:[port][/path]?[query_parameters]
     ```
 
-    When the sink URI contains special characters such as `! * ' ( ) ; : @ & = + $ , / ? % # [ ]`, you need to escape the special characters, for example, in [URI Encoder](https://meyerweb.com/eric/tools/dencoder/).
+    When the sink URI contains special characters such as `! * ' ( ) ; : @ & = + $ , / ? % # [ ]`, you need to escape the special characters, for example, in [URI Encoder](https://www.urlencoder.org/).
 
 - `--start-ts`: Specifies the starting TSO of the changefeed. From this TSO, the TiCDC cluster starts pulling data. The default value is the current time.
 - `--target-ts`: Specifies the ending TSO of the changefeed. To this TSO, the TiCDC cluster stops pulling data. The default value is empty, which means that TiCDC does not automatically stop pulling data.
diff --git a/ticdc/ticdc-sink-to-mysql.md b/ticdc/ticdc-sink-to-mysql.md
index 9a53ec331ab29..19a4e0979c5e1 100644
--- a/ticdc/ticdc-sink-to-mysql.md
+++ b/ticdc/ticdc-sink-to-mysql.md
@@ -80,7 +80,7 @@ MTIzNDU2
 
 > **Note:**
 >
-> When the sink URI contains special characters such as `! * ' ( ) ; : @ & = + $ , / ? % # [ ]`, you need to escape the special characters, for example, in [URI Encoder](https://meyerweb.com/eric/tools/dencoder/).
+> When the sink URI contains special characters such as `! * ' ( ) ; : @ & = + $ , / ? % # [ ]`, you need to escape the special characters, for example, in [URI Encoder](https://www.urlencoder.org/).
 
 ## Eventually consistent replication in disaster scenarios