fix: image

pages/make/index.vue

@@ -641,7 +641,7 @@ const textColors = [
   "#FFC0CB",
 ];
 const selectedColor = ref("#F8DA84");
-const signatureColor = ref("#000000");
+const signatureColor = ref("#B4802C");
 
 const fontList = [
   { name: "默认", family: "PingFang SC", url: "" },
@@ -1222,8 +1222,8 @@ const saveByCanvas = async (save = true) => {
             height: canvas.height,
             destWidth: canvas.width,
             destHeight: canvas.height,
-            fileType: "png", // 使用 PNG 避免 JPG 压缩损耗
-            quality: 1.0, // 最高质量
+            fileType: "jpg", // 使用 PNG 避免 JPG 压缩损耗
+            quality: 0.85, // 最高质量
             success: (res) => {
               if (save) saveImage(res.tempFilePath);
               resolve(res.tempFilePath);