ci: add discord 2000 split

Author: SWHL

.github/workflows/push_discord.yml

@@ -1,7 +1,10 @@
 name: discord message
 on:
-  release:
-    types: [published]
+  # release:
+  #   types: [published]
+  push:
+    branches:
+      - main
 
 jobs:
   build:
@@ -10,18 +13,33 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Send Discord notification
-        env:
-          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK_URL }}
-          DISCORD_USERNAME: Github Actions
-          DISCORD_AVATAR: https://cdn.discordapp.com/avatars/1460099944252702846/e57fd67dc7ca0cc840a0e87a82281bc5.webp?size=80
+      - name: Prepare Discord message
+        id: prepare_message
+        run: |
+          # 构造完整消息
+          full_msg="🚀 **New Release!** ${{ github.event.release.name }}
+
+          **Tag:** ${{ github.event.release.tag_name }}
+          **Author:** ${{ github.event.release.author.login }}
+
+          **Release Notes:**
+          ${{ github.event.release.body }}"
+
+              # 截断到 1990 字符（留 10 字符给可能的 ... 和安全余量）
+              if [ ${#full_msg} -gt 1990 ]; then
+                truncated_msg="${full_msg:0:1987}..."
+              else
+                truncated_msg="$full_msg"
+              fi
+
+              # 转义换行符和特殊字符，以便通过 env 传递（可选，但更安全）
+              echo "DISCORD_MSG<<EOF" >> $GITHUB_ENV
+              echo "$truncated_msg" >> $GITHUB_ENV
+              echo "EOF" >> $GITHUB_ENV
+
+      - name: Send to Discord
         uses: Ilshidur/action-discord@0.4.0
         with:
           args: |
-            🚀 **New Release!** ${{ github.event.release.name }}
-
-            **Tag:** ${{ github.event.release.tag_name }}
-            **Author:** ${{ github.event.release.author.login }}
+            ${{ env.DISCORD_MSG }}
 
-            **Release Notes:**
-            ${{ github.event.release.body }}