diff --git a/.changelog/2912.txt b/.changelog/2912.txt
new file mode 100644
index 0000000000..31e2d021e6
--- /dev/null
+++ b/.changelog/2912.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+resource/tencentcloud_cynosdb_cluster_databases: Fix the problem of matching errors caused by fuzzy query.
+```
\ No newline at end of file
diff --git a/tencentcloud/services/cynosdb/service_tencentcloud_cynosdb.go b/tencentcloud/services/cynosdb/service_tencentcloud_cynosdb.go
index a5fbf69d75..7336a864b4 100644
--- a/tencentcloud/services/cynosdb/service_tencentcloud_cynosdb.go
+++ b/tencentcloud/services/cynosdb/service_tencentcloud_cynosdb.go
@@ -2232,7 +2232,12 @@ func (me *CynosdbService) DescribeCynosdbClusterDatabasesById(ctx context.Contex
 		return
 	}
 
-	clusterDatabases = response.Response.DbInfos[0]
+	for _, dbInfo := range response.Response.DbInfos {
+		if dbInfo != nil && dbInfo.DbName != nil && *dbInfo.DbName == dbName {
+			clusterDatabases = dbInfo
+			return
+		}
+	}
 
 	return
 }