995300 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 995301 - Statement - Unaudited Condensed Consolidated Balance Sheet link:presentationLink link:calculationLink link:definitionLink 995302 - Statement - Unaudited Condensed Consolidated Balance Sheet (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 995303 - Statement - Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 995304 - Statement - Unaudited Condensed Consolidated Statements of Changes in Equity link:presentationLink link:calculationLink link:definitionLink 995305 - Statement - Unaudited Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 995306 - Disclosure - Organization and Reorganization link:presentationLink link:calculationLink link:definitionLink 995307 - Disclosure - Going Concern link:presentationLink link:calculationLink link:definitionLink 995308 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995309 - Disclosure - Accounts Receivables, Net link:presentationLink link:calculationLink link:definitionLink 995310 - Disclosure - Prepayment and Other Current Assets, Net link:presentationLink link:calculationLink link:definitionLink 995311 - Disclosure - Property, Equipment and Software, Net link:presentationLink link:calculationLink link:definitionLink 995312 - Disclosure - Lease link:presentationLink link:calculationLink link:definitionLink 995313 - Disclosure - Contract liabilities link:presentationLink link:calculationLink link:definitionLink 995314 - Disclosure - Taxation link:presentationLink link:calculationLink link:definitionLink 995315 - Disclosure - Other Taxes Payable link:presentationLink link:calculationLink link:definitionLink 995316 - Disclosure - Payable Third-Party Loans link:presentationLink link:calculationLink link:definitionLink 995317 - Disclosure - Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 995318 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 995319 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 995320 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 995321 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995322 - Disclosure - Related Party Transactions and Balance link:presentationLink link:calculationLink link:definitionLink 995323 - Disclosure - Fair Value Measurement link:presentationLink link:calculationLink link:definitionLink 995324 - Disclosure - Discontinued Operations link:presentationLink link:calculationLink link:definitionLink 995325 - Disclosure - Restricted Net Assets link:presentationLink link:calculationLink link:definitionLink 995326 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 995327 - Disclosure - Subsequent Event link:presentationLink link:calculationLink link:definitionLink 996328 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 996329 - Disclosure - Organization and Reorganization (Tables) link:presentationLink link:calculationLink link:definitionLink 996330 - Disclosure - Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 996331 - Disclosure - Accounts Receivables, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 996332 - Disclosure - Prepayment and Other Current Assets, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 996333 - Disclosure - Property, Equipment and Software, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 996334 - Disclosure - Lease (Tables) link:presentationLink link:calculationLink link:definitionLink 996335 - Disclosure - Contract liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 996336 - Disclosure - Taxation (Tables) link:presentationLink link:calculationLink link:definitionLink 996337 - Disclosure - Other taxes payable (Tables) link:presentationLink link:calculationLink link:definitionLink 996338 - Disclosure - Payable Third-Party Loans (Tables) link:presentationLink link:calculationLink link:definitionLink 996339 - Disclosure - Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 996340 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 996341 - Disclosure - Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 996342 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 996343 - Disclosure - Related Party Transactions and Balance (Table) link:presentationLink link:calculationLink link:definitionLink 996344 - Disclosure - Fair Value Measurement (Tables) link:presentationLink link:calculationLink link:definitionLink 996345 - Disclosure - Discontinued Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 996346 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 996347 - Disclosure - Organization and Reorganization (Details) link:presentationLink link:calculationLink link:definitionLink 996348 - Disclosure - Organization and Reorganization - Schedule of Organization and Reorganization (Details) link:presentationLink link:calculationLink link:definitionLink 996349 - Disclosure - Going Concern (Details) link:presentationLink link:calculationLink link:definitionLink 996350 - Disclosure - Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 996351 - Disclosure - Significant Accounting Policies - Schedule of Straight-Line Method Over Estimated Useful Lives (Details) link:presentationLink link:calculationLink link:definitionLink 996352 - Disclosure - Significant Accounting Policies - Schedule of Estimated Useful Life for the Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996353 - Disclosure - Significant Accounting Policies - Schedule of Concentration of Sales Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 996354 - Disclosure - Accounts Receivables, Net - ​Schedule of Accounts Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 996355 - Disclosure - Prepayment and Other Current Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996356 - Disclosure - Prepayment and Other Current Assets, Net - ​Schedule of Prepayments and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996357 - Disclosure - Prepayment and Other Current Assets, Net - ​Schedule of Prepayments Owed to the Company’s Major Suppliers (Details) link:presentationLink link:calculationLink link:definitionLink 996358 - Disclosure - Property, Equipment and Software, Net - Schedule of Property, Equipment and Software, Net (Details) link:presentationLink link:calculationLink link:definitionLink 996359 - Disclosure - Lease (Details) link:presentationLink link:calculationLink link:definitionLink 996360 - Disclosure - Lease - Schedule of Operating Lease (Details) link:presentationLink link:calculationLink link:definitionLink 996361 - Disclosure - Lease - Schedule of Future Maturity of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996362 - Disclosure - Contract liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996363 - Disclosure - Contract liabilities - ​Schedule of Contract liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996364 - Disclosure - Contract liabilities - Schedule Of Reconciliation of the Movement In Contract Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996365 - Disclosure - Taxation (Details) link:presentationLink link:calculationLink link:definitionLink 996366 - Disclosure - Taxation - Schedule of Loss Before Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 996367 - Disclosure - Taxation - Schedule of Reconciliation of the Differences Between the Statutory Income Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 996368 - Disclosure - Other taxes payable - Schedule of Other Taxes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 996369 - Disclosure - Payable Third-Party Loans - Schedule of Payable Third-Party Loans (Details) link:presentationLink link:calculationLink link:definitionLink 996370 - Disclosure - Payable Third-Party Loans - Schedule of Repayment Term (Details) link:presentationLink link:calculationLink link:definitionLink 996371 - Disclosure - Other Current Liabilities - ​Schedule of Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 996372 - Disclosure - Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 996373 - Disclosure - Share-Based Compensation - ​Schedule of Stock Options Activities (Details) link:presentationLink link:calculationLink link:definitionLink 996374 - Disclosure - Equity (Details) link:presentationLink link:calculationLink link:definitionLink 996375 - Disclosure - Equity - Schedule of Carrying Amount of MFT Token Consideration Receivable (Details) link:presentationLink link:calculationLink link:definitionLink 996376 - Disclosure - Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 996377 - Disclosure - Net Loss Per Share - ​Schedule of Basic and Diluted Net Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 996378 - Disclosure - Related Party Transactions and Balance (Details) link:presentationLink link:calculationLink link:definitionLink 996379 - Disclosure - Related party transactions and balance - ​Schedule of Related Party Transactions and Balance (Details) link:presentationLink link:calculationLink link:definitionLink 996380 - Disclosure - Fair Value Measurement (Details) link:presentationLink link:calculationLink link:definitionLink 996381 - Disclosure - Fair Value Measurement - ​Schedule of Warrant Liability at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 996382 - Disclosure - Fair Value Measurement - ​Schedule of Black Scholes Model for the Valuation of the Fair Value of Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 996383 - Disclosure - Fair Value Measurement - ​Schedule of Warrants Outstanding and Fair Values (Details) link:presentationLink link:calculationLink link:definitionLink 996384 - Disclosure - Fair Value Measurement - Schedule of Summarizes the Activities Related to Fair Value of the Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 996385 - Disclosure - Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 996386 - Disclosure - Discontinued Operations - Schedule of Discontinued Operations (Details) link:presentationLink link:calculationLink link:definitionLink 996387 - Disclosure - Restricted Net Assets (Details) link:presentationLink link:calculationLink link:definitionLink 996388 - Disclosure - Segment Reporting (Details) link:presentationLink link:calculationLink link:definitionLink 996389 - Disclosure - Segment Reporting - Schedule of Segment Reporting (Details) link:presentationLink link:calculationLink link:definitionLink 996390 - Disclosure - Subsequent Event (Details) link:presentationLink link:calculationLink link:definitionLink