diff --git a/src/modules/api/submodules/p2p.ts b/src/modules/api/submodules/p2p.ts
index 8be38c5..017a0ec 100644
--- a/src/modules/api/submodules/p2p.ts
+++ b/src/modules/api/submodules/p2p.ts
@@ -273,13 +273,22 @@ function writeNewData(
     publicDir: string
 ) {
     const qdbsToWrite = [...changedQuestionDbs, ...newQuestionDbs]
-    const qdbsFile: DataFile[] = qdbsToWrite.map((qdb) => {
-        // eslint-disable-next-line @typescript-eslint/no-unused-vars
-        const { data, index, ...restOfQdb } = qdb
-        return restOfQdb
-    })
+    const existingQdbs = utils.ReadJSON<DataFile[]>(dbsFilePath)
 
-    utils.WriteFile(JSON.stringify(qdbsFile, null, 2), dbsFilePath)
+    const qdbDataToWrite = qdbsToWrite.reduce((acc, qdb) => {
+        // eslint-disable-next-line @typescript-eslint/no-unused-vars
+        const { data, index, ...qdbData } = qdb
+        const existingQdbData = acc.find((data) => {
+            return data.name === qdbData.name
+        })
+        if (!existingQdbData) {
+            return [...acc, qdbData]
+        } else {
+            return acc
+        }
+    }, existingQdbs)
+
+    utils.WriteFile(JSON.stringify(qdbDataToWrite, null, 2), dbsFilePath)
     qdbsToWrite.forEach((qdb) => {
         try {
             writeData(qdb.data, publicDir + qdb.path)
diff --git a/submodules/qmining-page b/submodules/qmining-page
index 338db8e..62fb75e 160000
--- a/submodules/qmining-page
+++ b/submodules/qmining-page
@@ -1 +1 @@
-Subproject commit 338db8e1417ba4aa647a74e0a5bad70fb04bc79e
+Subproject commit 62fb75ec5f96656d95e53f3aa2b92ff59dc38173