📚 FAQ
If you have any questions or suggestions, please go to the CloudBase community to submit an issue.
🏷️ Platform Related Issues
🔝 WeDa trial version renewal failed?
The WeDa free trial campaign has ended! If you encounter renewal failure issues, please go to CloudBase Platform - Plan Usage to upgrade with payment.

What is the relationship between WeDa and CloudBase
WeDa is a functional module of CloudBase

Cannot find the "Approval Flow" entry in CloudBase platform
Approval flow is currently only open to existing users and Enterprise Edition and above plans.
Cannot see Git entry in CloudBase platform
Please refer to Git Mode Documentation for details.
Does CloudBase platform support authenticating multiple mini programs
Yes, please refer to Authenticate Mini Program to CloudBase Platform.
CloudBase platform custom SMS signature
Please refer to Custom SMS Signature Documentation for details.
How to bind a custom domain name in CloudBase platform
Please refer to the documentation Application Custom Domain Name for configuration. The same application supports binding multiple domain names.
Does custom domain name support domain names from other service providers
Yes, you need to apply for an SSL certificate from Tencent Cloud platform first: Apply Now
Custom domain name SSL certificate expired
When the custom domain name SSL certificate expires, it needs to be manually replaced.
Cloud backend access 404

Check if the __auth folder in static hosting has been deleted
Sub-account CAM preset policy configuration guide
Please refer to Sub-account Authorization WeDa Preset Policy Configuration Guide
📱 Application Related Issues
Application publishing error
Mini program application publishing error: Mini program (preview version) deployment failed Error: errCode": -10008, "errMsg": "invalid ip: 106.54.224.183"

Publishing mini program prompts submission failed_code contains ext.json unconfigured privacy interface getLocation
"Submission for review failed_code contains ext.json unconfigured privacy interface getLocation, please configure and apply for permission or promise not to use these interfaces (set parameter privacy_api_not_use to true) before submitting", please refer to Location Component Configuration Guide to configure the mini program app.json file.
Publishing mini program version number issue
The official version of the mini program can customize the application version number.
Mini program review submission rejected
View the review failure reason in the application release version and perform corresponding operations according to the rejection reason.
Publishing application prompts insufficient publishing quota
Can be resolved in the following ways:
- Upgrade plan
- Delete previously published applications
When publishing H5 application, how to hide the cloud backend navigation bar at the top

When publishing the application, select "No" for cloud backend listing.
After application is published, data is not displayed
Since super administrator permissions are generally used in the editor, if the data is not displayed after the application is published, please check the basic permissions of the data model first.

Please check if the data type used by the application is correct. Currently, the data model provided by WeDa distinguishes between formal and trial data (Standard Edition and above support)

After application is published, images are not displayed
Please troubleshoot according to the following steps:
🔍 Check if cloud storage permissions are enabled first

📖 If cloud storage permission settings are fine, please refer to Image Component Documentation FAQ
How to resolve H5 application access address blocked by WeChat

If blocked by WeChat, it can be resolved in the following ways:
- Use Application Custom Domain Name
- Apply for restoration
Access prompts "error": "permission_denied"
{
"error": "permission_denied",
"error_code": 7,
"error_description": "cors permission denied, please check if xx.xxx.xx in your client xxxxx-xxxxx domains"
}
The IP needs to be added to the security domain configuration. In Environment Configuration - Security Domain Configuration, you need to add the domain name.
This configuration has cache and is expected to take effect about 10 minutes after configuration

🛠️ Data Model Related Issues
Data model created successfully, but no "Trial/Formal Data" switching entry
Currently, trial data only supports CloudBase Standard Edition and above plans

Data loading slow
Can be troubleshooted and resolved in the following ways:
First check in the log panel if there are slow queries. If slow queries exist, add index fields according to the prompts

Upgrade plan version to increase QPS
Does MySQL data model support transactions
Currently does not support transactions.
How to query more than 200 data records at once
Use the Database Query Collection method, which can query up to 1000 data records at a time.
Is there a limit on single data record storage size
There is no upper limit for array or object types, but the upper limit for a single document data is 16MB. Considering the heavy network IO and serialization costs, it is not recommended to add unlimited data to arrays
🛠️ Development Related Issues
How to enable debug mode
Please refer to Application Debugging Documentation for details.
Calling system general option set APIs returns 401
Check the access key configured in the APIs.
After publishing application, component functions are abnormal
Please provide the following information for troubleshooting:
- Briefly describe the component issue
- Provide preview link
- For issues caused by component defects, after component repair, guide users to upgrade component -> republish application
Module function abnormal error
Need to provide complete error information (you can copy it from the error message)
Workflow execution concurrency limit
There is a call limit of 2000 times per hour.
Under what circumstances will event execution in the editor go to the failure branch
The following situations will trigger the failure branch:
- 🌐 Network status abnormal
- ⚠️ Internal service error
- 💻 Custom code actively throws exception:
throw new Error("An error occurred")
Publishing local component library prompts "unhandledRejection CloudBaseError: src file upload to object storage failed"
- Phenomenon:
When executing tcb lowcode publish for local component library, it prompts unhandledRejection CloudBaseError: src file upload to object storage failed

- Solution:
The custom component library Cli version is too low, please upgrade the version to 2.10.0, refer to Upgrade Notice: Custom Component Library Cli Upgrade Reminder
📱 Mini Program Related Issues
Mini program backend version management disabled
The mini program has been bound to the CloudBase platform through QR code authorization. The mini program backend third-party is bound to WeDa low-code and needs to be unbound.

QR code authorization failed, prompts "Mini program and Tencent Cloud account binding inconsistent or cloud development not enabled"
Possible reasons and solutions:
If it prompts that the mini program and Tencent Cloud account binding are inconsistent, please go to Tencent Cloud Account Center to check the account association relationship

If it prompts that cloud development is not enabled, please refer to this document Enable Cloud Development Step 2 to enable cloud development
If the mini program is registered or WeChat certified on the same day, there may be a delay in the mini program information returned by WeChat. You can try QR code authorization binding later
Mini program access reports [Resource Reuse] not authorized for this environment

Follow the prompts to perform environment sharing operations. For specific steps, refer to Environment Sharing Operation Guide.

How to implement mini program jumping to another mini program
There are two ways to achieve this:
Use mini program native API: wx.navigateToMiniProgram

Use WeDa API
How to integrate WeChat Pay
Please refer to WeChat Pay Integration Process
Mini program download file prompts downloadFile:fail url not in domain list
Please refer to downloadFile Domain Configuration Guide to configure mini program download domain
How to enable sharing for mini program page (visual development method)

You can go to page configuration and turn on the forward switch

When generating mini program code in mini program backend, filling in the path copied from WeDa reports path does not exist?
After copying the page path from WeDa, you need to add .html at the end

What is the difference between mini program subscription messages and WeChat official account subscription messages, can they share the same openid?
Refer to the flowchart below:

After calling logout method in mini program, page access is abnormal
Define the following example JavaScript method in the editor and call this method in the event that triggers logout:
export default async function ({ event, data }) {
// Set logout status
$w.page.dataset.state.isToLogOut = true;
// Execute logout
await $w.auth?.signOut?.();
// Determine platform type and perform corresponding operations
$w.wedaContext.platforms.includes("MP")
? // Mini program side: restart and jump to specified page
wx.restartMiniProgram({
path: "Replace with your page path", // Please replace with actual page path
})
: // Web side: delay refresh page, automatically jump to default login page
setTimeout(() => {
window.location.reload();
}, 1000);
}
- Please replace
"Replace with your page path"with the actual page path you need to jump to - Mini program side uses
wx.restartMiniProgram()to restart the mini program - Web side uses
window.location.reload()to refresh the page
Using WeDa's software standard edition to develop mini programs, can I apply for my own software copyright after going online
WeDa is just a development tool. The copyright of the mini program belongs to the mini program developer, and the mini program developer can apply for the software copyright of the mini program.