diff --git a/src/hooks/usePasteTextClipboardData.ts b/src/hooks/usePasteTextClipboardData.ts
index 43011a85..093fd9a5 100644
--- a/src/hooks/usePasteTextClipboardData.ts
+++ b/src/hooks/usePasteTextClipboardData.ts
@@ -3,7 +3,7 @@ import { useKeyboardStore } from '@/store'
 import { pasteCustomClipboardString } from '@/utils/clipboard'
 import { parseText2Paragraphs } from '@/utils/textParser'
 import { getImageDataURL, isSVGString, svg2File } from '@/utils/image'
-import { isValidImgURL, isValidURL } from '@/utils/common'
+import { isValidURL } from '@/utils/common'
 import useCreateElement from '@/hooks/useCreateElement'
 import useAddSlidesOrElements from '@/hooks/useAddSlidesOrElements'
 
@@ -12,6 +12,16 @@ interface PasteTextClipboardDataOptions {
   onlyElements?: boolean
 }
 
+/**
+ * 判断图片URL字符串
+ * 
+ * ！！！注意，你需要判断允许哪些来源的图片地址被匹配，然后自行编写正则表达式
+ * ！！！必须确保图片来源都是合法、可靠、可控、无访问限制的
+ */
+const isValidImgURL = (url: string) => {
+  return /^https:\/\/pptist.cn(\/[\w-./?%&=]*)?\.(jpg|jpeg|png|svg|webp)(\?.*)?$/i.test(url)
+}
+
 export default () => {
   const { shiftKeyState } = storeToRefs(useKeyboardStore())
 
diff --git a/src/utils/common.ts b/src/utils/common.ts
index ff6ac440..0e26f6bb 100644
--- a/src/utils/common.ts
+++ b/src/utils/common.ts
@@ -21,11 +21,4 @@ export const isPC = () => {
  */
 export const isValidURL = (url: string) => {
   return /^(https?:\/\/)([\w-]+\.)+[\w-]{2,}(\/[\w-./?%&=]*)?$/i.test(url)
-}
-
-/**
- * 判断图片URL字符串
- */
-export const isValidImgURL = (url: string) => {
-  return /^(https?:\/\/)([\w-]+\.)+[\w-]{2,}(\/[\w-./?%&=]*)?\.(jpg|jpeg|png|svg|webp)(\?.*)?$/i.test(url)
 }
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