diff --git a/public/icons/Condition.svg b/public/icons/Condition.svg
index c6fafe1..01a615c 100644
--- a/public/icons/Condition.svg
+++ b/public/icons/Condition.svg
@@ -1 +1 @@
-<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1603437255749" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1527" xmlns:xlink="http://www.w3.org/1999/xlink" width="200" height="200"><defs><style type="text/css"></style></defs><path d="M512 0l448 256v512l-448 256-448-256V256l448-256z m0 98.24l-362.88 207.36v412.8L512 925.76l362.88-207.36v-412.8L512 98.24z m224 200.448l64.64 37.312v74.688L736 448l-30.784-17.792-155.968 78.08v185.216l27.392 15.808v74.688L512 821.312l-64.64-37.312v-74.688l27.392-15.808V508.352L318.72 430.208 288 448l-64.64-37.312V336l64.64-37.312 64.64 37.312v27.712L512 443.52l159.36-79.872V336l64.64-37.312z" fill="#000000" p-id="1528"></path></svg>
\ No newline at end of file
+<svg stroke="currentColor" fill="currentColor" stroke-width="0" viewBox="0 0 24 24" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg"><path fill="none" stroke-width="2" d="M12,22 C17.5228475,22 22,17.5228475 22,12 C22,6.4771525 17.5228475,2 12,2 C6.4771525,2 2,6.4771525 2,12 C2,17.5228475 6.4771525,22 12,22 Z M12,15 L12,14 C12,13 12,12.5 13,12 C14,11.5 15,11 15,9.5 C15,8.5 14,7 12,7 C10,7 9,8.26413718 9,10 M12,16 L12,18"></path></svg>
\ No newline at end of file
diff --git a/public/icons/Decorator.svg b/public/icons/Decorator.svg
index 4b10007..c6fafe1 100644
--- a/public/icons/Decorator.svg
+++ b/public/icons/Decorator.svg
@@ -1 +1 @@
-<svg stroke="currentColor" stroke-width="0" viewBox="0 0 16 16" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg" style="width:12px;height:12px" color="#fff"><path d="M2.273 9.53a2.273 2.273 0 100-4.546 2.273 2.273 0 000 4.547zm9.467-4.984a2.273 2.273 0 100-4.546 2.273 2.273 0 000 4.546M7.4 13.108a5.54 5.54 0 01-3.775-2.88 3.27 3.27 0 01-1.944.24 7.4 7.4 0 005.328 4.465c.53.113 1.072.169 1.614.166a3.25 3.25 0 01-.666-1.9 6 6 0 01-.557-.091m3.828 2.285a2.273 2.273 0 100-4.546 2.273 2.273 0 000 4.546m3.163-3.108a7.44 7.44 0 00.373-8.726 3.3 3.3 0 01-1.278 1.498 5.57 5.57 0 01-.183 5.535 3.26 3.26 0 011.088 1.693M2.098 3.998a3.3 3.3 0 011.897.486 5.54 5.54 0 014.464-2.388c.037-.67.277-1.313.69-1.843a7.47 7.47 0 00-7.051 3.745" stroke="none"/></svg>
\ No newline at end of file
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1603437255749" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1527" xmlns:xlink="http://www.w3.org/1999/xlink" width="200" height="200"><defs><style type="text/css"></style></defs><path d="M512 0l448 256v512l-448 256-448-256V256l448-256z m0 98.24l-362.88 207.36v412.8L512 925.76l362.88-207.36v-412.8L512 98.24z m224 200.448l64.64 37.312v74.688L736 448l-30.784-17.792-155.968 78.08v185.216l27.392 15.808v74.688L512 821.312l-64.64-37.312v-74.688l27.392-15.808V508.352L318.72 430.208 288 448l-64.64-37.312V336l64.64-37.312 64.64 37.312v27.712L512 443.52l159.36-79.872V336l64.64-37.312z" fill="#000000" p-id="1528"></path></svg>
\ No newline at end of file
diff --git a/src/components/explorer.tsx b/src/components/explorer.tsx
index ba0c268..a14b84a 100644
--- a/src/components/explorer.tsx
+++ b/src/components/explorer.tsx
@@ -324,7 +324,7 @@ export const Explorer: FC = () => {
       },
     };
     workspace.nodeDefs.forEach((nodeDef) => {
-      (nodeDef.group || []).forEach((g, idx) => {
+      (nodeDef.group || [""]).forEach((g, idx) => {
         const typeGroup = !g ? nodeDef.type : nodeDef.type.replace(/\(([\w|]+)\)/, `(${g})`);
         let catalog = data.children?.find((nt) => nt.title === typeGroup);
         if (!catalog) {