We investigate the uniqueness of global-in-time conservative weak solutions for the generalized two-component higher-order shallow water system on $ \mathbb R $. The proof strategy relies on characteristics. Given a conservative weak solution, we introduce the characteristic equation to uniquely determine a characteristic curve through each initial point, transforming the Eulerian coordinate into a Lagrangian coordinate. We demonstrate that the Cauchy problem of the generalized two-component higher-order Camassa-Holm system, equipped with initial data $ z_0 = (u_0, \rho_0)\in (H^2(\mathbb R)\cap W^{2, p}(\mathbb R))\times(L^2(\mathbb R)\cap L^\infty(\mathbb R)) $, has a unique global conservative weak solution.
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