diff --git a/src/components/ui/markdown/renderers/image.tsx b/src/components/ui/markdown/renderers/image.tsx
index ae9a6836ac..f03d7a0eaa 100644
--- a/src/components/ui/markdown/renderers/image.tsx
+++ b/src/components/ui/markdown/renderers/image.tsx
@@ -70,7 +70,7 @@ export const GridMarkdownImages: FC<{
 
 const GridZoomImage: FC<{ src: string }> = memo(({ src }) => {
   const { accent, height, width } = useMarkdownImageRecord(src) || {}
-  const cropUrl = addImageUrlResizeQuery(src, 300)
+  const cropUrl = addImageUrlResizeQuery(src, 600)
   const imageEl = useRef<HTMLImageElement>(null)
   const wGreaterThanH = width && height ? width > height : true
 
diff --git a/src/lib/image.ts b/src/lib/image.ts
index 7be58aad1d..093b718794 100644
--- a/src/lib/image.ts
+++ b/src/lib/image.ts
@@ -46,11 +46,11 @@ export const addImageUrlCropSizeQuery = (url: string, size: number) => {
   // Tencent Cloud 数据万象
   // ?imageMogr2/thumbnail/300x/crop/300x300/gravity/center
   parsedUrl.searchParams.set(
-    `imageMogr2/thumbnail/${size}x/crop/${size}x${size}/gravity/center`,
+    `imageMogr2/thumbnail/${size}x/crop/${size}x${size}/gravity/center/strip`,
     '',
   )
 
-  return parsedUrl.toString()
+  return parsedUrl.toString().replace(/=$/, '')
 }
 
 export const addImageUrlResizeQuery = (url: string, size: number) => {
@@ -58,7 +58,7 @@ export const addImageUrlResizeQuery = (url: string, size: number) => {
 
   // Tencent Cloud 数据万象
   // ?imageMogr2/thumbnail/300x
-  parsedUrl.searchParams.set(`imageMogr2/thumbnail/${size}x`, '')
+  parsedUrl.searchParams.set(`imageMogr2/thumbnail/${size}x/strip`, '')
 
-  return parsedUrl.toString()
+  return parsedUrl.toString().replace(/=$/, '')
 }