diff --git a/src/components/ExportData.vue b/src/components/ExportData.vue
index 746f992e2..ec1925d20 100644
--- a/src/components/ExportData.vue
+++ b/src/components/ExportData.vue
@@ -212,7 +212,9 @@ export default class ExportData extends Vue {
     }
     const exportDataToCSV = (jsonContent: ConnectionModel[]) => {
       try {
-        const content: string = CSVConvert(jsonContent)
+        // Prevent CSV from automatically converting string with trailing zeros after decimal point to number.
+        // https://stackoverflow.com/questions/165042/stop-excel-from-automatically-converting-certain-text-values-to-dates
+        const content: string = CSVConvert(jsonContent).replace(/"(\d+\.0+)"/g, '="$1"')
         this.exportDiffFormatData(content, 'CSV')
       } catch (err) {
         this.$message.error(err.toString())
diff --git a/src/components/ImportData.vue b/src/components/ImportData.vue
index 976e6b063..4f23a8bea 100644
--- a/src/components/ImportData.vue
+++ b/src/components/ImportData.vue
@@ -318,10 +318,11 @@ export default class ImportData extends Vue {
       .fromString(data)
       .subscribe((jsonObj) => {
         try {
-          let { messages, subscriptions, will, ...otherProps } = jsonObj
+          let { messages, subscriptions, properties, will, ...otherProps } = jsonObj
           // format object
           messages = JSON.parse(messages)
           subscriptions = JSON.parse(subscriptions)
+          properties = JSON.parse(properties)
           will = JSON.parse(will)
           Object.keys(otherProps).forEach((item) => {
             // format boolean
@@ -330,14 +331,20 @@ export default class ImportData extends Vue {
             } else if (otherProps[item] === 'false') {
               otherProps[item] = false
             } else if (this.stringProps.indexOf(item) === -1 && otherProps[item] !== '') {
-              // format number
-              const numValue = Number(otherProps[item])
-              otherProps[item] = !isNaN(numValue) ? numValue : otherProps[item]
+              if (/^="(\d+\.0+)"/.test(otherProps[item])) {
+                // format string number
+                otherProps[item] = otherProps[item].replace(/^="(\d+\.0+)"/, '$1')
+              } else {
+                // format number
+                const numValue = Number(otherProps[item])
+                otherProps[item] = !isNaN(numValue) ? numValue : otherProps[item]
+              }
             }
           })
           const oneRealJSONObj = {
             messages,
             subscriptions,
+            properties,
             will,
             ...otherProps,
           }
diff --git a/src/database/services/ConnectionService.ts b/src/database/services/ConnectionService.ts
index 8106d8b7e..ff16ee251 100644
--- a/src/database/services/ConnectionService.ts
+++ b/src/database/services/ConnectionService.ts
@@ -355,7 +355,7 @@ export default class ConnectionService {
 
   // cascade getAll
   public async cascadeGetAll(id?: string) {
-    const query = await this.connectionRepository.createQueryBuilder('cn')
+    const query = this.connectionRepository.createQueryBuilder('cn')
 
     id && query.where('cn.id = :id', { id })