diff --git a/web/extensions/core/groupNode.js b/web/extensions/core/groupNode.js
index 3f3084508..dc10974e2 100644
--- a/web/extensions/core/groupNode.js
+++ b/web/extensions/core/groupNode.js
@@ -312,14 +312,17 @@ const ext = {
 			new ConvertToGroupAction().addOption(options, options.length);
 			return options;
 		};
-
+		
 		api.addEventListener("executing", ({ detail }) => {
 			if (detail) {
 				const node = app.graph.getNodeById(detail);
 				if (!node) {
 					const split = detail.split(":");
 					if (split.length === 2) {
-						api.dispatchEvent(new CustomEvent("executing", { detail: split[0] }));
+						const outerNode = app.graph.getNodeById(+split[0]);
+						if (outerNode?.constructor.nodeData?.[IS_GROUP_NODE]) {
+							api.dispatchEvent(new CustomEvent("executing", { detail: split[0] }));
+						}
 					}
 				}
 			}
@@ -330,7 +333,11 @@ const ext = {
 			if (!node) {
 				const split = detail.node.split(":");
 				if (split.length === 2) {
-					api.dispatchEvent(new CustomEvent("executed", { detail: { ...detail, node: split[0] } }));
+					const outerNode = app.graph.getNodeById(+split[0]);
+					if(outerNode?.constructor.nodeData?.[IS_GROUP_NODE]) {
+						api.dispatchEvent(new CustomEvent("executed", { detail: { ...detail, node: split[0], merge: !outerNode.resetExecution } }));
+						outerNode.resetExecution = false;
+					}
 				}
 			}
 		});
@@ -353,6 +360,12 @@ const ext = {
 			const config = def[GROUP_DATA];
 			const slots = def[GROUP_SLOTS];
 
+			const onExecutionStart = node.onExecutionStart;
+			node.onExecutionStart = function() {
+				node.resetExecution = true;
+				return onExecutionStart?.apply(this, arguments);
+			}
+
 			const onNodeCreated = node.onNodeCreated;
 			node.onNodeCreated = function () {
 				for (let innerNodeId = 0; innerNodeId < config.nodes.length; innerNodeId++) {
diff --git a/web/scripts/app.js b/web/scripts/app.js
index fd9a39318..a3181a7c9 100644
--- a/web/scripts/app.js
+++ b/web/scripts/app.js
@@ -1135,7 +1135,19 @@ export class ComfyApp {
 		});
 
 		api.addEventListener("executed", ({ detail }) => {
-			this.nodeOutputs[detail.node] = detail.output;
+			const output = this.nodeOutputs[detail.node];
+			if (detail.merge && output) {
+				for (const k in detail.output ?? {}) {
+					const v = output[k];
+					if (v instanceof Array) {
+						output[k] = v.concat(detail.output[k]);
+					} else {
+						output[k] = detail.output[k];
+					}
+				}
+			} else {
+				this.nodeOutputs[detail.node] = detail.output;
+			}
 			const node = this.graph.getNodeById(detail.node);
 			if (node) {
 				if (node.onExecuted)