diff --git a/packages/view/src/components/VerticalClusterList/Summary/Summary.util.test.ts b/packages/view/src/components/VerticalClusterList/Summary/Summary.util.test.ts
index ec3bbae8..97b4c367 100644
--- a/packages/view/src/components/VerticalClusterList/Summary/Summary.util.test.ts
+++ b/packages/view/src/components/VerticalClusterList/Summary/Summary.util.test.ts
@@ -57,6 +57,81 @@ const clusterNodeMockData: ClusterNode[] = [
     ],
     nodeTypeName: "CLUSTER",
   },
+  {
+    nodeTypeName: "CLUSTER",
+    commitNodeList: [
+      {
+        nodeTypeName: "COMMIT",
+        commit: {
+          id: "dbb3beec12a66788b126101d5b2e6c0b4bb86379",
+          parentIds: ["0dca5a0e77c9c3cf99f55544721078141a551670", "b3caa9b6c71f72bec6fe44cad13e92555de3f54c"],
+          author: {
+            id: "no-id",
+            names: ["jin-Pro"],
+            emails: ["70205497+jin-Pro@users.noreply.github.com"],
+          },
+          committer: {
+            id: "no-id",
+            names: ["GitHub"],
+            emails: ["noreply@github.com"],
+          },
+          authorDate: "Tue Sep 13 2022 15:50:57 GMT+0900 (Korean Standard Time)",
+          commitDate: "Tue Sep 13 2022 15:50:57 GMT+0900 (Korean Standard Time)",
+          diffStatistics: {
+            changedFileCount: 1,
+            insertions: 66,
+            deletions: 0,
+            files: {
+              "packages/view/CONTRIBUTING.md": {
+                insertions: 66,
+                deletions: 0,
+              },
+            },
+          },
+          message: "Merge pull request #158 from jin-Pro/main/n/nadd View CONTRIBUTING.md Template",
+          tags: [],
+          releaseTags: [],
+        },
+        clusterId: 89,
+        seq: 1,
+      },
+      {
+        nodeTypeName: "COMMIT",
+        commit: {
+          id: "b3caa9b6c71f72bec6fe44cad13e92555de3f54c",
+          parentIds: ["2719afd7716153c9318dad48482c8245bea82eb5"],
+          author: {
+            id: "no-id",
+            names: ["jin-Pro"],
+            emails: ["dnjun2@ajou.ac.kr"],
+          },
+          committer: {
+            id: "no-id",
+            names: ["jin-Pro"],
+            emails: ["dnjun2@ajou.ac.kr"],
+          },
+          authorDate: "Tue Sep 13 2022 14:50:26 GMT+0900 (Korean Standard Time)",
+          commitDate: "Tue Sep 13 2022 14:50:26 GMT+0900 (Korean Standard Time)",
+          diffStatistics: {
+            changedFileCount: 1,
+            insertions: 66,
+            deletions: 0,
+            files: {
+              "packages/view/CONTRIBUTING.md": {
+                insertions: 66,
+                deletions: 0,
+              },
+            },
+          },
+          message: "docs(view): add View CONTRIBUTING.md Template",
+          tags: [],
+          releaseTags: [],
+        },
+        clusterId: 89,
+        seq: 2,
+      },
+    ],
+  },
 ];
 
 test("getClusterById test", () => {
@@ -81,14 +156,22 @@ test("getClusterIds test", () => {
   expect(result).not.toBeUndefined();
   expect(result[0]).toBe(0);
   expect(result[1]).toBe(1);
-  expect(result).toHaveLength(2);
+  expect(result[2]).toBe(89);
+
+  expect(result).toHaveLength(3);
 });
 
-test("getInitData test", () => {
+describe("getInitData test", () => {
   const result = getInitData(clusterNodeMockData);
 
-  expect(result).not.toBeUndefined();
-  expect(result[0].clusterId).toBe(0);
-  expect(result[0].summary.authorNames[0][0]).toBe("ytaek");
-  expect(result[0].summary.content.message).toBe("Initial commit");
+  test("getInitData test", () => {
+    expect(result).not.toBeUndefined();
+    expect(result[0].clusterId).toBe(0);
+    expect(result[0].summary.authorNames[0][0]).toBe("ytaek");
+    expect(result[0].summary.content.message).toBe("Initial commit");
+  });
+
+  test("the commit author names in the cluster are not duplicated.", () => {
+    expect(result[2].summary.authorNames.length).toBe(1);
+  });
 });
diff --git a/packages/view/src/components/VerticalClusterList/Summary/Summary.util.ts b/packages/view/src/components/VerticalClusterList/Summary/Summary.util.ts
index e17ef18e..5b62ffe7 100644
--- a/packages/view/src/components/VerticalClusterList/Summary/Summary.util.ts
+++ b/packages/view/src/components/VerticalClusterList/Summary/Summary.util.ts
@@ -66,55 +66,37 @@ export function getInitData(data: GlobalProps["data"]): Cluster[] {
   const clusters: Cluster[] = [];
 
   data.map((clusterNode) => {
-    const { message } = clusterNode.commitNodeList[0].commit;
-    const resultMsg = message.split("/n/n")[0];
-    const cluster: Cluster = {
-      clusterId: clusterNode.commitNodeList[0].clusterId,
-      summary: {
-        authorNames: [],
-        content: {
-          message: resultMsg,
-          count: clusterNode.commitNodeList.length - 1,
-        },
-      },
-      latestReleaseTag: "",
-    };
-
+    const { commit: clusterFirstCommit, clusterId } = clusterNode.commitNodeList[0];
+    const { message } = clusterFirstCommit;
     const clusterTags: string[] = [];
+    const authorSet: Set<string> = new Set();
 
-    clusterNode.commitNodeList.map((commitNode: CommitNode) => {
+    clusterNode.commitNodeList.forEach((commitNode: CommitNode) => {
       // set names
-      const authorSet: Set<string> = new Set();
-      commitNode.commit.author.names.map((name) => {
+      commitNode.commit.author.names.forEach((name) => {
         authorSet.add(name.trim());
-        return name.trim();
       });
 
-      cluster.summary.authorNames.push(Array.from(authorSet));
-
       // get releaseTags in cluster commitNodeList
-      commitNode.commit.releaseTags?.map((tag) => {
+      commitNode.commit.releaseTags?.forEach((tag) => {
         clusterTags.push(tag);
-        return clusterTags;
       });
-
-      return commitNode;
     });
 
     // set latset release tag
     const latestReleaseTag = getCommitLatestTag(clusterTags);
-    cluster.latestReleaseTag = latestReleaseTag;
 
-    // remove name overlap
-    const authorsSet = cluster.summary.authorNames.reduce((set, authorArray) => {
-      authorArray.forEach((author) => {
-        set.add(author);
-      });
-      return set;
-    }, new Set());
-
-    cluster.summary.authorNames = [];
-    cluster.summary.authorNames.push(Array.from(authorsSet) as string[]);
+    const cluster: Cluster = {
+      clusterId: clusterId,
+      summary: {
+        authorNames: [Array.from(authorSet)],
+        content: {
+          message: message.split("/n/n")[0],
+          count: clusterNode.commitNodeList.length - 1,
+        },
+      },
+      latestReleaseTag: latestReleaseTag,
+    };
 
     clusters.push(cluster);
     return cluster;