diff --git a/docs/en/core/basic.md b/docs/en/core/basic.md
index 4f62fcd8..3315cc78 100644
--- a/docs/en/core/basic.md
+++ b/docs/en/core/basic.md
@@ -141,7 +141,9 @@ This is a [Bottom board](en/base/core_bottom) on the back of M5Core. It's design
**M5Stack Instroduce**
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+
**M5Core Cases**
diff --git a/docs/en/core/fire.md b/docs/en/core/fire.md
index 18515c02..43b1f43a 100644
--- a/docs/en/core/fire.md
+++ b/docs/en/core/fire.md
@@ -182,7 +182,9 @@ M5Go CHG. Base is composed of POGO pin. M5Go Base is composed of PORT B, PORT C,
**m5stack instroduce**
-
+
-
diff --git a/docs/zh_CN/core/fire.md b/docs/zh_CN/core/fire.md
index 1013d6bf..39f1bfb3 100644
--- a/docs/zh_CN/core/fire.md
+++ b/docs/zh_CN/core/fire.md
@@ -184,7 +184,9 @@
**m5stack 的简介**
-
+