fix errors

Author: StaticObserver

cmake/dependencies.cmake

@@ -8,30 +8,11 @@ set(plog_REPOSITORY
 # set (adios2_REPOSITORY https://github.com/ornladios/ADIOS2.git CACHE STRING
 # "ADIOS2 repository")
 function(check_internet_connection)
-  if(OFFLINE STREQUAL "ON")
-    set(FETCHCONTENT_FULLY_DISCONNECTED
-        ON
-        CACHE BOOL "Connection status")
-    message(STATUS "${Blue}Offline mode.${ColorReset}")
-  else()
-    execute_process(
-      COMMAND ping 8.8.8.8 -c 2
-      RESULT_VARIABLE NO_CONNECTION
-      OUTPUT_QUIET)
+  # 强制进入离线模式
+  set(FETCHCONTENT_FULLY_DISCONNECTED ON CACHE BOOL "Connection status")
+  set(OFFLINE ON CACHE BOOL "ON")
 
-    if(NO_CONNECTION GREATER 0)
-      set(FETCHCONTENT_FULLY_DISCONNECTED
-          ON
-          CACHE BOOL "Connection status")
-      message(
-        STATUS "${Red}No internet connection. Fetching disabled.${ColorReset}")
-    else()
-      set(FETCHCONTENT_FULLY_DISCONNECTED
-          OFF
-          CACHE BOOL "Connection status")
-      message(STATUS "${Green}Internet connection established.${ColorReset}")
-    endif()
-  endif()
+  message(STATUS "${Blue}Forced offline mode.${ColorReset}")
 endfunction()
 
 function(find_or_fetch_dependency package_name header_only)

src/kernels/ampere_mink.hpp

@@ -95,20 +95,23 @@ namespace kernel::mink {
     // coeff = -dt * q0 * n0 / (B0 * V0)
     const real_t    coeff;
     const real_t    inv_n0;
+    const real_t    J0;
 
   public:
     CurrentsAmpere_kernel(const ndfield_t<D, 6>& E,
                           const ndfield_t<D, 3>  J,
                           real_t                 coeff,
-                          real_t                 inv_n0)
+                          real_t                 inv_n0,
+                          real_t                 J0)
       : E { E }
       , J { J }
       , coeff { coeff }
-      , inv_n0 { inv_n0 } {}
+      , inv_n0 { inv_n0 }
+      , J0 { J0 } {}
 
     Inline void operator()(index_t i1) const {
       if constexpr (D == Dim::_1D) {
-        J(i1, cur::jx1) *= inv_n0;
+        J(i1, cur::jx1) *= inv_n0 - J0;
         J(i1, cur::jx2) *= inv_n0;
         J(i1, cur::jx3) *= inv_n0;