样式删多了

scss/components/form/_image.scss

@@ -184,4 +184,27 @@
     &-uploadBtn {
         margin-top: 5px;
     }
+}
+
+
+// todo
+
+.cropper-wrapper {
+    position: relative;
+
+    img {
+        max-width: 100%;
+        max-height: 400px;
+    }
+
+    .btn {
+        position: absolute;
+        bottom: 0;
+        right: 0;
+    }
+
+    .btn:nth-child(2n + 1) {
+        bottom: 40px;
+        right: 4px;
+    }
 }

src/renderers/Form/Image.tsx

@@ -216,7 +216,8 @@ export default class ImageControl extends React.Component<ImageProps, ImageState
                         if (obj && (org = find(this.state.files, item => (item as FileValue).value === obj.value))) {
                             obj = {
                                 ...org,
-                                ...obj
+                                ...obj,
+                                id: org.id || obj.id
                             };
                         }