diff --git a/src/muya/themes/default.css b/src/muya/themes/default.css
index d7e16b64..450b5835 100644
--- a/src/muya/themes/default.css
+++ b/src/muya/themes/default.css
@@ -416,8 +416,9 @@ kbd {
   }
 
   :not(pre) > code[class*="language-"],
-  pre,
-  pre[class*="language-"] {
+  pre:not(.CodeMirror-line),
+  pre[class*="language-"],
+  pre.ag-paragraph {
     overflow: visible;
     font-size: 90%;
     line-height: 1.6;
diff --git a/src/renderer/assets/themes/dark.theme.css b/src/renderer/assets/themes/dark.theme.css
index d1063908..07ef76e4 100644
--- a/src/renderer/assets/themes/dark.theme.css
+++ b/src/renderer/assets/themes/dark.theme.css
@@ -57,7 +57,7 @@
 }
 
 :not(pre) > code[class*="language-"],
-pre,
+pre:not(.CodeMirror-line),
 pre[class*="language-"],
 pre.ag-paragraph {
   background: var(--codeBlockBgColor) !important;
diff --git a/src/renderer/assets/themes/material-dark.theme.css b/src/renderer/assets/themes/material-dark.theme.css
index 345ffc52..7ff4e8ad 100644
--- a/src/renderer/assets/themes/material-dark.theme.css
+++ b/src/renderer/assets/themes/material-dark.theme.css
@@ -49,7 +49,7 @@
 /* ------------------------------------ */
 
 :not(pre) > code[class*="language-"],
-pre,
+pre:not(.CodeMirror-line),
 pre[class*="language-"],
 pre.ag-paragraph {
   background: var(--codeBlockBgColor) !important;
diff --git a/src/renderer/assets/themes/one-dark.theme.css b/src/renderer/assets/themes/one-dark.theme.css
index 4684f712..d772d24c 100644
--- a/src/renderer/assets/themes/one-dark.theme.css
+++ b/src/renderer/assets/themes/one-dark.theme.css
@@ -133,7 +133,7 @@
 }
 
 :not(pre) > code[class*="language-"],
-pre,
+pre:not(.CodeMirror-line),
 pre[class*="language-"],
 pre.ag-paragraph {
   background: var(--codeBlockBgColor) !important;
diff --git a/src/renderer/assets/themes/prismjs/one-dark.theme.css b/src/renderer/assets/themes/prismjs/one-dark.theme.css
index 0374db18..b5c050cd 100644
--- a/src/renderer/assets/themes/prismjs/one-dark.theme.css
+++ b/src/renderer/assets/themes/prismjs/one-dark.theme.css
@@ -56,7 +56,7 @@ pre.ag-paragraph {
 /* Inline Code */
 :not(pre) > code[class*="language-"],
 pre.ag-paragraph {
-  background: #282c34;
+  background: #3a3f4b;
 }
 
 /* Inline Code */