polish default error msg & cublas error hint, test=develop (#22032)

paddle/fluid/platform/enforce.h

@@ -433,23 +433,23 @@ inline std::string build_ex_string(cublasStatus_t stat,
                                    const std::string& msg) {
   std::string err;
   if (stat == CUBLAS_STATUS_NOT_INITIALIZED) {
-    err = "CUBLAS: not initialized.";
+    err = "CUBLAS_STATUS_NOT_INITIALIZED";
   } else if (stat == CUBLAS_STATUS_ALLOC_FAILED) {
-    err = "CUBLAS: alloc failed.";
+    err = "CUBLAS_STATUS_ALLOC_FAILED";
   } else if (stat == CUBLAS_STATUS_INVALID_VALUE) {
-    err = "CUBLAS: invalid value.";
+    err = "CUBLAS_STATUS_INVALID_VALUE";
   } else if (stat == CUBLAS_STATUS_ARCH_MISMATCH) {
-    err = "CUBLAS: arch mismatch.";
+    err = "CUBLAS_STATUS_ARCH_MISMATCH";
   } else if (stat == CUBLAS_STATUS_MAPPING_ERROR) {
-    err = "CUBLAS: mapping error.";
+    err = "CUBLAS_STATUS_MAPPING_ERROR";
   } else if (stat == CUBLAS_STATUS_EXECUTION_FAILED) {
-    err = "CUBLAS: execution failed.";
+    err = "CUBLAS_STATUS_EXECUTION_FAILED";
   } else if (stat == CUBLAS_STATUS_INTERNAL_ERROR) {
-    err = "CUBLAS: internal error.";
+    err = "CUBLAS_STATUS_INTERNAL_ERROR";
   } else if (stat == CUBLAS_STATUS_NOT_SUPPORTED) {
-    err = "CUBLAS: not supported, ";
+    err = "CUBLAS_STATUS_NOT_SUPPORTED";
   } else if (stat == CUBLAS_STATUS_LICENSE_ERROR) {
-    err = "CUBLAS: license error.";
+    err = "CUBLAS_STATUS_LICENSE_ERROR";
   }
   return msg + "\n  [Hint: " + err + "]";
 }

paddle/fluid/platform/errors.h

@@ -36,9 +36,14 @@ class ErrorSummary {
   ErrorSummary() {
     code_ = paddle::platform::error::LEGACY;
     msg_ =
-        "Paddle internal Check failed. (Please help us create a new issue, "
-        "here we need to find the developer to add a user friendly error "
-        "message)";
+        "An error occurred here. There is no accurate error hint for this "
+        "error yet. We are continuously in the process of increasing hint for "
+        "this kind of error check. It would be helpful if you could inform us "
+        "of how this conversion went by opening a github issue. And we will "
+        "resolve it with high priority.\n"
+        "  - New issue link: "
+        "https://github.com/PaddlePaddle/Paddle/issues/new\n"
+        "  - Recommended issue content: all error stack information";
   }
 
   // Note(chenweihang): Final deprecated constructor