diff --git a/app/src/assets/scss/component/_text-field.scss b/app/src/assets/scss/component/_text-field.scss
index f252208cb..5b40b4690 100644
--- a/app/src/assets/scss/component/_text-field.scss
+++ b/app/src/assets/scss/component/_text-field.scss
@@ -9,11 +9,11 @@
   transition: box-shadow 120ms 0ms cubic-bezier(0, 0, 0.2, 1);
   background-color: var(--b3-theme-background);
 
-  &:hover {
+  &:not(.b3-text-field--text):hover {
     box-shadow: inset 0 0 0 .4px var(--b3-theme-on-background);
   }
 
-  &:focus {
+  &:not(.b3-text-field--text):focus {
     box-shadow: inset 0 0 0 1px var(--b3-theme-primary), 0 0 0 3px var(--b3-theme-primary-lightest);
   }
 
@@ -28,9 +28,5 @@
 
   &--text {
     box-shadow: 0 0 0;
-
-    &:focus {
-      box-shadow: 0 0 0;
-    }
   }
 }
diff --git a/app/src/protyle/toolbar/index.ts b/app/src/protyle/toolbar/index.ts
index c0365e053..ba0c2600c 100644
--- a/app/src/protyle/toolbar/index.ts
+++ b/app/src/protyle/toolbar/index.ts
@@ -957,6 +957,20 @@ export class Toolbar {
         });
         const exportImg = () => {
             const msgId = showMessage(window.siyuan.languages.exporting, 0);
+            if (renderElement.getAttribute("data-subtype") === "plantuml") {
+                fetch(renderElement.querySelector("img").getAttribute("src")).then(function (response) {
+                    return response.blob()
+                }).then(function (blob) {
+                    const formData = new FormData();
+                    formData.append("file", blob);
+                    formData.append("type", "image/png");
+                    fetchPost("/api/export/exportAsFile", formData, (response) => {
+                        openByMobile(response.data.file);
+                        hideMessage(msgId);
+                    });
+                });
+                return;
+            }
             setTimeout(() => {
                 addScript("stage/protyle/js/html2canvas.min.js?v=1.4.1", "protyleHtml2canvas").then(() => {
                     window.html2canvas(renderElement).then((canvas) => {