diff --git a/meta-openeuler/classes/eulertoolchain.bbclass b/meta-openeuler/classes/eulertoolchain.bbclass
index 39670fd598fd4bfe4f88d8bd49eedcfe373ee76c..7529057b2c499ddb20b077f8772ed5f95cddb56d 100644
--- a/meta-openeuler/classes/eulertoolchain.bbclass
+++ b/meta-openeuler/classes/eulertoolchain.bbclass
@@ -20,30 +20,29 @@ def eulertoolchain_euler_prefix_to_raw(euler_prefix):
     return eulertoolchain_raw_prefix(arch)
 
 python eulertoolchain_virtclass_handler () {
-    cls = e.data.getVar("BBEXTENDCURR")
-    variant = e.data.getVar("BBEXTENDVARIANT")
+    cls = d.getVar("BBEXTENDCURR")
+    variant = d.getVar("BBEXTENDVARIANT")
     if cls != "eulertoolchain" or not variant:
         return
 
-    e.data.setVar("PN", e.data.getVar("PN", False) + '-' + variant)
-    e.data.setVar("TARGET_ARCH", variant)
+    d.setVar("PN", d.getVar("PN", False) + '-' + variant)
+    d.setVar("TARGET_ARCH", variant)
 
-    e.data.setVar("EULER_TOOLCHAIN_SYSNAME",            eulertoolchain_raw_prefix(variant))
-    e.data.setVar("EULER_TOOLCHAIN_TARGET_PREFIX",      eulertoolchain_euler_prefix(variant) + '-')
-    e.data.setVar("EULER_TOOLCHAIN_TARGET_PREFIX_RAW",  eulertoolchain_euler_prefix(variant))
+    d.setVar("EULER_TOOLCHAIN_SYSNAME",            eulertoolchain_raw_prefix(variant))
+    d.setVar("EULER_TOOLCHAIN_TARGET_PREFIX",      eulertoolchain_euler_prefix(variant) + '-')
+    d.setVar("EULER_TOOLCHAIN_TARGET_PREFIX_RAW",  eulertoolchain_euler_prefix(variant))
 
-    e.data.setVar("OVERRIDES", e.data.getVar("OVERRIDES", False) +
+    d.setVar("OVERRIDES", d.getVar("OVERRIDES", False) +
                     ":{}".format(variant.replace('_', '-')))
 }
 
 addhandler eulertoolchain_virtclass_handler
 eulertoolchain_virtclass_handler[eventmask] = "bb.event.RecipePreFinalise"
 
-#_HMTOOLCHAIN_SUPPORT_ARCHS := "aarch64 aarch64_be arm armeb"
-_HMTOOLCHAIN_SUPPORT_ARCHS := "aarch64 arm"
+_EULERTOOLCHAIN_SUPPORT_ARCHS := "aarch64 arm"
 
 def toolchain_bbclassextend(d, cls, variant):
-    support_archs = d.getVar("_HMTOOLCHAIN_SUPPORT_ARCHS", True)
+    support_archs = d.getVar("_EULERTOOLCHAIN_SUPPORT_ARCHS", True)
     exts = []
     for arch in support_archs.split():
         exts.append('{}:{}{}'.format(cls, variant, arch))
diff --git a/meta-openeuler/classes/get_euler_config.bbclash b/meta-openeuler/classes/get_euler_config.bbclass
similarity index 100%
rename from meta-openeuler/classes/get_euler_config.bbclash
rename to meta-openeuler/classes/get_euler_config.bbclass