What this category of data looks like
The declaration materials and file data for construction general contracting projects mainly originate from project approval documents, bidding documents, construction quality inspection reports, completion acceptance archives, and submission materials submitted to government supervision platforms. Data updates align with project milestones. Corresponding documents are added after each approval stage, and a complete archived package is created once the project is completed. The length of individual documents varies significantly: small projects have documents ranging from dozens of pages, while large projects can reach hundreds of pages. Fields include project unique identifiers, construction unit qualification numbers, sub-project engineering quantities, test report numbers, approval seal records, and more. Units of measurement include square meters, cubic meters, tons, and standard construction duration days.
What constraints do these characteristics impose on the citation and traceability link
Construction general contracting project declaration materials and file data characteristics impose three core constraints on the citation and traceability link. First, the span of individual document length is large. Short documents use minimal context window space, while long documents may exceed the model’s token limit, requiring targeted adjustments to context truncation rules. Second, the data contains a large number of engineering-specific unique identifiers and qualification numbers. Traceability requires precise matching of field content to avoid traceability errors caused by generalized matching. Third, data is updated in stages alongside project milestones, and some sources come from external links on government supervision platforms. A stable synchronization mechanism and proxy rules must be configured to ensure the timeliness and accessibility of cited content.
Configuration Settings
Reference only; verify against the target FastGPT release and deployment documentation.
| Configuration Item | Recommended Setting | Rationale |
|---|---|---|
quoteMaxToken | 8000–12000 token | Individual files for construction general contracting projects can be hundreds of pages long, requiring coverage of complete context from approval stages |
responseData | Enabled | Declaration materials and file reviews require clear traceable sources to ensure review basis can be traced |
detail | Full fields | Core fields such as project numbers and test report numbers must be displayed to facilitate cross-verification by reviewers |
| Synchronization frequency | Once daily | Data is updated in stages along project milestones; daily synchronization ensures timeliness of cited content |
| Proxy timeout | 30 seconds | Some sources come from external links on government supervision platforms, requiring sufficient access time |
| Matching threshold | Calibrated via actual testing | A large number of engineering-specific unique identifier fields exist; matching accuracy must be adjusted based on actual recall performance |
Three Common Mistakes
- Phenomenon: Citation source original links cannot be downloaded normally, with 403 or connection timeout status codes returned by the browser. Cause: Correct nginx proxy rules for external links on government supervision platforms are not configured, preventing FastGPT from accessing original documents.
- Phenomenon: Calling the FastGPT citation traceability API returns a 200 status code but no content field in the response body. Cause: The
responseDataswitch is not enabled correctly, causing the API to not return traceability content. - Phenomenon: Cited content appears garbled or has messy display formatting, including extra line breaks and markers. Cause: The display format for the
detailparameter is not configured correctly, or the original document encoding does not match the encoding used by FastGPT for processing.
How to Confirm Proper Configuration
- Submit a review request for construction general contracting project declaration materials, and check whether the returned results include complete traceable source links and field information.
- Check the knowledge base synchronization logs to confirm that the latest project file documents have been correctly indexed and can be recalled.
- Test access to the original links of citation sources to confirm that the proxy configuration can normally access target resources.
- Compare the cited content in the review results with the original documents to confirm that field matching is accurate and there is no messy formatting.
The values provided are common starting points and should be measured against the reader's own samples.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-28.