diff --git a/README.md b/README.md
index 5968ce6..f818443 100644
--- a/README.md
+++ b/README.md
@@ -65,10 +65,11 @@
 3. **功能范围**：目前支持节点翻译，前端功能翻译正在开发中
 
 ## 📈 版本历史
+- **v3.1.5**（2025-08-05）
+-修复了ComfyUI在子图节点模式下，独立渲染模式的左右连线不生效的问题
 
-### 最新版本
 - **v3.1.4**（2025-06-10）
-- 合并Suzu008的贡献分支
+- 合并Suzu008的贡献分支，添加了选中和悬停一起激活连线的模式
 
 - **v3.1.3**（2025-01-24）
 - 给连线动画的速度从3档设置为6档
diff --git a/extensions/Online_Animation/ConnectionAnimationCore.js b/extensions/Online_Animation/ConnectionAnimationCore.js
index 31c02e8..3955d0b 100644
--- a/extensions/Online_Animation/ConnectionAnimationCore.js
+++ b/extensions/Online_Animation/ConnectionAnimationCore.js
@@ -304,8 +304,9 @@ export class ConnectionAnimation {
     _shouldShowAnimation(link) {
         if (!link || !this.canvas || !this.canvas.graph) return false;
         
-        const originNode = link.origin_id === -10 ? this.canvas.graph.inputNode : this.canvas.graph._nodes_by_id[link.origin_id];
-        const targetNode = link.target_id === -20 ? this.canvas.graph.outputNode : this.canvas.graph._nodes_by_id[link.target_id];
+        // ComfyUI toNodeId(): subgraph IO ids are strings "-10"/"-20" (also accept legacy numbers)
+        const originNode = link.origin_id == -10 ? this.canvas.graph.inputNode : this.canvas.graph._nodes_by_id[link.origin_id];
+        const targetNode = link.target_id == -20 ? this.canvas.graph.outputNode : this.canvas.graph._nodes_by_id[link.target_id];
         
         if (!originNode || !targetNode) return false;
         
@@ -552,8 +553,8 @@ export class ConnectionAnimation {
             }
 
             // 获取节点和位置信息
-            const outNode = link.origin_id === -10 ? this.canvas.graph.inputNode : this.canvas.graph.getNodeById(link.origin_id);
-            const inNode = link.target_id === -20 ? this.canvas.graph.outputNode : this.canvas.graph.getNodeById(link.target_id);
+            const outNode = link.origin_id == -10 ? this.canvas.graph.inputNode : this.canvas.graph.getNodeById(link.origin_id);
+            const inNode = link.target_id == -20 ? this.canvas.graph.outputNode : this.canvas.graph.getNodeById(link.target_id);
             
             if (!outNode || !inNode) return;
 
@@ -691,8 +692,8 @@ export class ConnectionAnimation {
         const graph = this.canvas.graph;
         if (!graph || !graph._nodes_by_id) return null;
 
-        const outNode = link.origin_id === -10 ? graph.inputNode : graph._nodes_by_id[link.origin_id];
-        const inNode = link.target_id === -20 ? graph.outputNode : graph._nodes_by_id[link.target_id];
+        const outNode = link.origin_id == -10 ? graph.inputNode : graph._nodes_by_id[link.origin_id];
+        const inNode = link.target_id == -20 ? graph.outputNode : graph._nodes_by_id[link.target_id];
 
         if (!outNode || !inNode) return null;
 
@@ -707,7 +708,7 @@ export class ConnectionAnimation {
         if (!pathInfo) return null;
 
         // 获取基础颜色
-        const baseColor = this.staticStyleManager.getCurrentStyle()?.getBaseColor(link.origin_id !== -10 ? outNode : inNode, link) || "#999999";
+        const baseColor = this.staticStyleManager.getCurrentStyle()?.getBaseColor(link.origin_id != -10 ? outNode : inNode, link) || "#999999";
 
         return {
             path: pathInfo.points,
diff --git a/extensions/Online_Animation/styles/CircuitBoardStyle.js b/extensions/Online_Animation/styles/CircuitBoardStyle.js
index 9e19c71..93bb72b 100644
--- a/extensions/Online_Animation/styles/CircuitBoardStyle.js
+++ b/extensions/Online_Animation/styles/CircuitBoardStyle.js
@@ -911,8 +911,9 @@ class MapLinks {
         const allLinks = Object.values(graph.links || {});
 
         allLinks.forEach(link => {
-            const isSubgraphOrigin = link.origin_id === -10;
-            const isSubgraphTarget = link.target_id === -20;
+            // ComfyUI toNodeId(): subgraph IO ids are strings "-10"/"-20"
+            const isSubgraphOrigin = link.origin_id == -10;
+            const isSubgraphTarget = link.target_id == -20;
             if (!isSubgraphOrigin && !isSubgraphTarget) return;
 
             const outNode = isSubgraphOrigin ? graph.inputNode : graph._nodes_by_id[link.origin_id];
diff --git a/extensions/Online_Animation/styles/StyleManager.js b/extensions/Online_Animation/styles/StyleManager.js
index 3316db2..8d03839 100644
--- a/extensions/Online_Animation/styles/StyleManager.js
+++ b/extensions/Online_Animation/styles/StyleManager.js
@@ -135,15 +135,17 @@ export class StyleManager {
         
         // 处理指定的连线
         linksToProcess.forEach(link => {
-            const outNode = link.origin_id === -10 ? this.animationManager.canvas.graph.inputNode : this.animationManager.canvas.graph.getNodeById(link.origin_id);
-            const inNode = link.target_id === -20 ? this.animationManager.canvas.graph.outputNode : this.animationManager.canvas.graph.getNodeById(link.target_id);
+            // ComfyUI toNodeId(): subgraph IO ids are strings "-10"/"-20"
+            const outNode = link.origin_id == -10 ? this.animationManager.canvas.graph.inputNode : this.animationManager.canvas.graph.getNodeById(link.origin_id);
+            const inNode = link.target_id == -20 ? this.animationManager.canvas.graph.outputNode : this.animationManager.canvas.graph.getNodeById(link.target_id);
             if (!outNode || !inNode) return;
             
-            const outPos = link.origin_id === -10 ? outNode.slots[link.origin_slot].pos : this._getOutputPos(outNode, link.origin_slot);
-            const inPos = link.target_id === -20 ? inNode.slots[link.target_slot].pos : this._getInputPos(inNode, link.target_slot);
+            const outPos = link.origin_id == -10 ? outNode.slots?.[link.origin_slot]?.pos : this._getOutputPos(outNode, link.origin_slot);
+            const inPos = link.target_id == -20 ? inNode.slots?.[link.target_slot]?.pos : this._getInputPos(inNode, link.target_slot);
+            if (!outPos || !inPos) return;
             
             // 使用统一的getBaseColor方法获取颜色
-            const baseColor = this.currentStyle.getBaseColor(link.origin_id !== -10 ? outNode : inNode, link);
+            const baseColor = this.currentStyle.getBaseColor(link.origin_id != -10 ? outNode : inNode, link);
             
             // 计算路径点和类型
             const pathInfo = this.currentStyle.calculatePath(outNode, inNode, outPos, inPos, link);
diff --git a/extensions/Online_Animation/styles/static/StaticCircuitBoardStyle.js b/extensions/Online_Animation/styles/static/StaticCircuitBoardStyle.js
index ca421f8..9f3d1b3 100644
--- a/extensions/Online_Animation/styles/static/StaticCircuitBoardStyle.js
+++ b/extensions/Online_Animation/styles/static/StaticCircuitBoardStyle.js
@@ -854,8 +854,9 @@ class StaticMapLinks {
         const allLinks = Object.values(graph.links || {});
 
         allLinks.forEach(link => {
-            const isSubgraphOrigin = link.origin_id === -10;
-            const isSubgraphTarget = link.target_id === -20;
+            // ComfyUI toNodeId(): subgraph IO ids are strings "-10"/"-20"
+            const isSubgraphOrigin = link.origin_id == -10;
+            const isSubgraphTarget = link.target_id == -20;
             if (!isSubgraphOrigin && !isSubgraphTarget) return;
 
             const outNode = isSubgraphOrigin ? graph.inputNode : graph._nodes_by_id[link.origin_id];