diff --git a/src/utils.cpp b/src/utils.cpp
index 4663217..764b039 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -380,6 +380,8 @@ bool Greater(std::any a, std::any b) {
     return (*ptr_a_float) > (*ptr_b_float);
   else if ((ptr_a_string != nullptr) && (ptr_b_string != nullptr))
     return (*ptr_a_string) > (*ptr_b_string);
+  else if (((ptr_a_string != nullptr) || (ptr_b_string != nullptr)))
+    return Any2String(a) > Any2String(b);
   else
     throw FatalError("Greater: Type Error", 54);
 }
@@ -401,6 +403,8 @@ bool Less(std::any a, std::any b) {
     return (*ptr_a_float) < (*ptr_b_float);
   else if ((ptr_a_string != nullptr) && (ptr_b_string != nullptr))
     return (*ptr_a_string) < (*ptr_b_string);
+  else if (((ptr_a_string != nullptr) || (ptr_b_string != nullptr)))
+    return Any2String(a) < Any2String(b);
   else
     throw FatalError("Less: Type Error", 55);
 }
@@ -422,6 +426,8 @@ bool Equal(std::any a, std::any b) {
     return (*ptr_a_float) == (*ptr_b_float);
   else if ((ptr_a_string != nullptr) && (ptr_b_string != nullptr))
     return (*ptr_a_string) == (*ptr_b_string);
+  else if (((ptr_a_string != nullptr) || (ptr_b_string != nullptr)))
+    return Any2String(a) == Any2String(b);
   else
     throw FatalError("Equal: Type Error", 56);
 }
@@ -443,6 +449,8 @@ bool NotEqual(std::any a, std::any b) {
     return (*ptr_a_float) != (*ptr_b_float);
   else if ((ptr_a_string != nullptr) && (ptr_b_string != nullptr))
     return (*ptr_a_string) != (*ptr_b_string);
+  else if (((ptr_a_string != nullptr) || (ptr_b_string != nullptr)))
+    return Any2String(a) != Any2String(b);
   else
     throw FatalError("NotEqual: Type Error", 57);
 }
@@ -464,6 +472,8 @@ bool GreaterEqual(std::any a, std::any b) {
     return (*ptr_a_float) >= (*ptr_b_float);
   else if ((ptr_a_string != nullptr) && (ptr_b_string != nullptr))
     return (*ptr_a_string) >= (*ptr_b_string);
+  else if (((ptr_a_string != nullptr) || (ptr_b_string != nullptr)))
+    return Any2String(a) >= Any2String(b);
   else
     throw FatalError("GreaterEqual: Type Error", 58);
 }
@@ -485,6 +495,8 @@ bool LessEqual(std::any a, std::any b) {
     return (*ptr_a_float) <= (*ptr_b_float);
   else if ((ptr_a_string != nullptr) && (ptr_b_string != nullptr))
     return (*ptr_a_string) <= (*ptr_b_string);
+  else if (((ptr_a_string != nullptr) || (ptr_b_string != nullptr)))
+    return Any2String(a) <= Any2String(b);
   else
     throw FatalError("LessEqual: Type Error", 59);
 }
\ No newline at end of file