diff --git a/src/YysEditorEmbed.vue b/src/YysEditorEmbed.vue
index 7b81fcf..2041448 100644
--- a/src/YysEditorEmbed.vue
+++ b/src/YysEditorEmbed.vue
@@ -22,6 +22,7 @@
 
         <!-- 中间画布 + 右侧属性面板 -->
         <FlowEditor
+          class="flow-editor-pane"
           ref="flowEditorRef"
           height="100%"
         />
@@ -347,6 +348,12 @@ onBeforeUnmount(() => {
   overflow: hidden;
 }
 
+.flow-editor-pane {
+  flex: 1;
+  min-width: 0;
+  height: 100%;
+}
+
 .preview-mode {
   background: transparent;
 }
diff --git a/src/components/flow/FlowEditor.vue b/src/components/flow/FlowEditor.vue
index a05045b..2325ca6 100644
--- a/src/components/flow/FlowEditor.vue
+++ b/src/components/flow/FlowEditor.vue
@@ -1039,9 +1039,13 @@ onBeforeUnmount(() => {
 .editor-layout {
   display: flex;
   height: 100%;
+  width: 100%;
+  min-width: 0;
+  flex: 1;
 }
 .flow-container {
   flex: 1;
+  min-width: 0;
   position: relative;
   overflow: hidden;
 }
diff --git a/src/components/flow/PropertyPanel.vue b/src/components/flow/PropertyPanel.vue
index 3c286af..b2cd785 100644
--- a/src/components/flow/PropertyPanel.vue
+++ b/src/components/flow/PropertyPanel.vue
@@ -126,6 +126,7 @@ const currentAssetLibrary = computed({
   background-color: #f5f7fa;
   border-left: 1px solid #e4e7ed;
   width: 280px;
+  flex-shrink: 0;
   display: flex;
   flex-direction: column;
   overflow-y: auto;